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Exchange of vanadium between continental crust and seawater
The global vanadium cycle is controlled by physical and chemical processes that drive the exchange of vanadium between its two main reservoirs: the upper
Vanadium_cycle
Chemical element with atomic number 23 (V)
Vanadium is a chemical element; it has symbol V and atomic number 23. It is a hard, silvery-grey, malleable transition metal. The elemental metal is rarely
Vanadium
Type of rechargeable flow battery
The vanadium redox battery (VRB), also known as the vanadium flow battery (VFB) or vanadium redox flow battery (VRFB), is a type of rechargeable flow
Vanadium_redox_battery
Methane cycle – Ozone–oxygen cycle – Phosphorus cycle – Selenium cycle – Silica cycle – Supercontinent cycle – Vanadium cycle – Wilson cycle – Zinc cycle Agricultural
List_of_cycles
Biogeochemical cycle for movement of water on Earth
The water cycle (or hydrologic cycle or hydrological cycle) is a biogeochemical cycle that involves the continuous change in form of water on, above and
Water_cycle
Biogeochemical cycle
The phosphorus cycle is the biogeochemical cycle that involves the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. Unlike
Phosphorus_cycle
Assembly of heat engines that work in tandem from the same source of heat
A combined-cycle power plant is an assembly of heat engines that work in tandem from the same source of heat, converting it into mechanical energy. On
Combined-cycle_power_plant
Biogeochemical cycle by which nitrogen is converted into various chemical forms
The nitrogen cycle is the biogeochemical cycle by which nitrogen is converted into multiple chemical forms as it circulates among atmospheric, terrestrial
Nitrogen_cycle
Movement of water in the deep Earth
The deep water cycle, or geologic water cycle, involves exchange of water with the mantle, with water carried down by subducting oceanic plates and returning
Deep_water_cycle
Type of electrochemical cell
during cycling. In the late 1980s, Sum, Rychcik and Skyllas-Kazacos at the University of New South Wales (UNSW) in Australia demonstrated vanadium RFB chemistry
Flow_battery
Biogeochemical cycle of sulfur
The sulfur cycle is a biogeochemical cycle in which the sulfur moves between rocks, waterways and living systems. It is important in geology as it affects
Sulfur_cycle
Biogeochemical cycle
The ozone–oxygen cycle is the process by which ozone is continually regenerated in Earth's stratosphere, converting ultraviolet radiation (UV) into heat
Ozone–oxygen_cycle
Chemical transfer pathway between Earth's biological and non-biological parts
biogeochemical cycles include the carbon cycle, the nitrogen cycle and the water cycle. In each cycle, the chemical element or molecule is transformed and cycled by
Biogeochemical_cycle
Conversion of dinitrogen into ammonia
contain iron, often with a second metal (usually molybdenum, but sometimes vanadium). Some nitrogen-fixing bacteria have symbiotic relationships with plants
Nitrogen_fixation
Biogeochemical cycle
The mercury cycle is a biogeochemical cycle influenced by natural and anthropogenic processes that transform mercury through multiple chemical forms and
Mercury_cycle
Ocean/atmosphere carbon exchange process
The oceanic carbon cycle (or marine carbon cycle) is composed of processes that exchange carbon between various pools within the ocean as well as between
Oceanic_carbon_cycle
Chemical compound
Vanadium(III) oxide is the inorganic compound with the chemical formula V2O3. It is a black basic oxide dissolving in acids to give solutions of vanadium(III)
Vanadium(III)_oxide
Metal alloys made by combining titanium with other elements
most applications titanium is alloyed with small amounts of aluminium and vanadium, typically 6% and 4% respectively, by weight. This mixture has a solid
Titanium_alloys
Enzyme necessary for the process of nitrogen fixation
Vanadium nitrogenases are an important biological use of vanadium, which is uncommonly used by life. An important component of the nitrogen cycle, vanadium
Vanadium_nitrogenase
Geochemical transformation of silicate rocks
The carbonate–silicate geochemical cycle, also known as the inorganic carbon cycle, describes the long-term transformation of silicate rocks to carbonate
Carbonate–silicate_cycle
Hydrogen exchange between the living and non-living world
The hydrogen cycle consists of hydrogen exchanges between biotic (living) and abiotic (non-living) sources and sinks of hydrogen-containing compounds
Hydrogen_cycle
Titanium. United States Geological Survey. Retrieved 8 October 2015. Vanadium. United States Geological Survey. Retrieved 25 June 2021. Zinc, p. 2. United
Lists of countries by mineral production
Lists_of_countries_by_mineral_production
Biological oxidation of ammonia/ammonium to nitrate
intermediary nitrite. Nitrification is an important step in the nitrogen cycle in soil. The process of complete nitrification may occur through separate
Nitrification
nitrogen-fixing lichen Lobaria pulmonaria to phosphorus, molybdenum, and vanadium". Ecosphere. 6 (9): art155. Bibcode:2015Ecosp...6..140M. doi:10.1890/ES15-00140
Lichens_and_nitrogen_cycling
Electric battery which can be recharged
Electrochimica Acta. 90: 695–704. doi:10.1016/j.electacta.2012.12.066. "Vanadium Redox Battery". Vrb.unsw.edu.au. Retrieved 14 August 2012.{{cite web}}:
Rechargeable_battery
Marine biogeochemical cycles Marine biogeochemical cycles are biogeochemical cycles that occur within marine environments, that is, in the saltwater of
Marine_biogeochemical_cycles
Biogeochemical cycle of Fe2+/Fe3+
The iron cycle (Fe) is the biogeochemical cycle of iron through the atmosphere, hydrosphere, biosphere and lithosphere. While Fe is highly abundant in
Iron_cycle
Set of processes exchanging nutrients between parts of a system
nutrients is cyclic. Mineral cycles include the carbon cycle, sulfur cycle, nitrogen cycle, water cycle, phosphorus cycle, oxygen cycle, among others that continually
Nutrient_cycle
Transfer of calcium between dissolved and solid phases
The calcium cycle is a transfer of calcium between dissolved and solid phases. There is a continuous supply of calcium ions into waterways from rocks
Calcium_cycle
Steel alloyed with a variety of elements
manganese (Mn) (the most common), nickel (Ni), chromium (Cr), molybdenum (Mo), vanadium (V), silicon (Si), and boron (B). Less common alloyants include Aluminium
Alloy_steel
Environmental impact of agricultural and industrial nitrogen
Human impact on the nitrogen cycle is diverse. Agricultural and industrial nitrogen (N) inputs to the environment currently exceed inputs from natural
Human impact on the nitrogen cycle
Human_impact_on_the_nitrogen_cycle
Biogeochemical cycle
The silica cycle is the biogeochemical cycle in which biogenic silica is transported between the Earth's systems. Silicon is one of the most abundant
Silica_cycle
Movement of carbon through Earth's mantle and core
carbon cycle (or slow carbon cycle) is geochemical cycle (movement) of carbon through the Earth's mantle and core. It forms part of the carbon cycle and
Deep_carbon_cycle
exceptional wear resistance. The high carbon and vanadium contents result in numerous, hard vanadium carbide particles in the steel. These carbides exhibit
List_of_blade_materials
The zinc cycle is a biogeochemical cycle that transports zinc through the lithosphere, hydrosphere, and biosphere. Zinc-containing minerals in the Earth's
Zinc_cycle
Type of rechargeable battery
polyanion positively impacts cycle life and safety and increases the cell voltage. Among polyanion-based cathodes, sodium vanadium phosphate and fluorophosphate
Sodium-ion_battery
The iodine cycle is a biogeochemical cycle that primarily consists of natural and biological processes that exchange iodine through the lithosphere, hydrosphere
Iodine_cycle
Biogeochemical cycling of chlorine
The chlorine cycle (Cl) is the biogeochemical cycling of chlorine through the atmosphere, hydrosphere, biosphere, and lithosphere. Chlorine is most commonly
Chlorine_cycle
Biogeochemical cycle
The gold cycle is the biogeochemical cycling of gold through the lithosphere, hydrosphere, atmosphere, and biosphere. Gold is a noble transition metal
Gold_cycle
Electricity generation by nuclear fusion
using "low activation", materials that do not easily become radioactive. Vanadium, for example, becomes much less radioactive than stainless steel. Carbon
Fusion_power
The lead cycle is the biogeochemical cycle of lead through the atmosphere, lithosphere, biosphere, and hydrosphere, which has been influenced by anthropogenic
Lead_cycle
During catalysis or during catalyst activation, some vanadium(III) is reduced to inactive vanadium(II) derivatives. To correct for this reduction, reoxidants
Reoxidant
The lithium cycle (Li) is the biogeochemical cycle of lithium through the lithosphere and hydrosphere. In the diagram above, lithium sinks are described
Lithium_cycle
Biogeochemical cycle
The fluorine cycle is the series of biogeochemical processes through which fluorine moves through the lithosphere, hydrosphere, atmosphere, and biosphere
Fluorine_cycle
Transformation of atmospheric carbon between various forms
The atmospheric carbon cycle accounts for the exchange of gaseous carbon compounds, primarily carbon dioxide (CO2), between Earth's atmosphere, the oceans
Atmospheric_carbon_cycle
cycle is the biogeochemical cycle by which aluminum is moved through the environment by natural and anthropogenic processes. The biogeochemical cycle
Aluminum_cycle
Biogeochemical cycle
The manganese cycle is the biogeochemical cycle of manganese through the atmosphere, hydrosphere, biosphere and lithosphere. There are bacteria that oxidise
Manganese_cycle
The copper cycle is the biogeochemical cycle of natural and anthropogenic exchanges of copper between reservoirs in the hydrosphere, atmosphere, biosphere
Copper_cycle
Natural process of Cadmium deposition
The cadmium cycle is a biogeochemical cycle of dispersion and deposition of cadmium through the atmosphere, biosphere, pedosphere, and hydrosphere. Cadmium
Cadmium_cycle
Biogeochemical cycle
The chromium cycle is the biogeochemical cycle of chromium through the atmosphere, hydrosphere, biosphere and lithosphere. Chromium has two common oxidation
Chromium_cycle
The arsenic (As) cycle is the biogeochemical cycle of natural and anthropogenic exchanges of arsenic with the environment. The cycle is of interest because
Arsenic_cycle
Biogenic pelagic sediment located on the deep ocean floor
and is efficiently recycled in the marine environment through the silica cycle. Distance from land masses, water depth and ocean fertility are all factors
Siliceous_ooze
Study of chemical cycles of the earth related to biological activity
lithosphere). In particular, biogeochemistry is the study of biogeochemical cycles, the cycles of chemical elements such as carbon and nitrogen, and their interactions
Biogeochemistry
Biogeochemical cycle
The boron cycle is the biogeochemical cycle of boron through the atmosphere, lithosphere, biosphere, and hydrosphere. Boron in the atmosphere is derived
Boron_cycle
Organic compound
furfural (from the processing of maize) using chlorate in the presence of a vanadium-based catalyst. The chemical properties of fumaric acid can be anticipated
Fumaric_acid
announced a synthesis of hierarchical vanadium oxide nanoflowers (V10O24·nH2O) synthesized by an oxidation reaction of vanadium foil in a NaCl aqueous solution
Research in lithium-ion batteries
Research_in_lithium-ion_batteries
Method used to separate titanium from its ores
chlorides as well, but most are less volatile than TiCl4. Vanadium tetrachloride and vanadium oxytrichloride codistill with TiCl4, but these impurities
Chloride_process
Reduction in ductility of a metal exposed to hydrogen
broader effects include hydride formation, which occurs in titanium and vanadium but not in steels, and hydrogen-induced blistering, which generally occurs
Hydrogen_embrittlement
Marine animals, subphylum of chordates
transitional metal vanadium and vanadium-associated proteins in vacuoles in blood cells known as vanadocytes. Some tunicates can concentrate vanadium up to a level
Tunicate
Oven that burns off leftovers
oxide is one of the common materials used. Other possibilities are copper, vanadium, bismuth, molybdenum, manganese, iron, nickel, tin, niobium, chromium,
Self-cleaning_oven
Type of rechargeable battery without cobalt
as the anode. Because of their low cost, high safety, low toxicity, long cycle life and other factors, LFP batteries are finding a number of roles in vehicle
Lithium iron phosphate battery
Lithium_iron_phosphate_battery
Rechargeable battery type often used in motor vehicles
Silver–calcium battery UltraBattery Peukert's law Lithium-ion battery Vanadium redox battery Sodium-ion battery Sodium–sulfur battery May, Geoffrey J
Lead–acid_battery
Vehicle propelled fully or mostly by electricity
designs include all-solid-state planar micro-supercapacitors based on 2D vanadium nitride nanosheets and cobalt hydroxide nanoflowers, achieving energy densities
Electric_vehicle
Chemical compound (H2SO4)
dioxide is oxidized to sulfur trioxide by oxygen in the presence of a vanadium(V) oxide catalyst. This reaction is reversible and the formation of the
Sulfuric_acid
Non-rechargeable battery using lithium metal as anode
Gonzalez, Lina (Summer 2005). "Solid State NMR Investigation of Silver Vanadium Oxide (SVO)". CUNY, Hunter College. Archived from the original on 2006-09-10
Lithium_metal_battery
The selenium cycle is a biological cycle of selenium similar to the cycles of carbon, nitrogen, and sulfur. Within the cycle, there are organisms which
Selenium_cycle
Chemical reaction
A representative example is the reaction of phenol with a solution of vanadium tetrachloride, which yields about 60% yield of three isomeric dihydroxybiphenyl
Oxidative_coupling_of_phenols
Porous material with a high specific surface area supporting a catalyst
Pietschnig, Rudolf (2010). "Structure and catalytic properties of MgO-supported vanadium oxide in the selective oxidation of cyclohexane". Journal of Molecular
Catalyst_support
Solid carbon stored in global soils
and soil structure. Soil carbon is a carbon sink in the global carbon cycle, playing a role in biogeochemistry, climate change mitigation. As such,
Soil_carbon
Bacteria and archaea producing ammonia
Frankia and Azospirillum. All diazotrophs contain iron-molybdenum or iron-vanadium nitrogenase systems, and two of the most studied systems are those of Klebsiella
Diazotroph
Type of flow battery technology
Other battery types (e.g. vanadium redox flow batteries) cannot perform at higher temperatures. For instance, toxic vanadium pentoxide (V2O5) in VRFBs
Iron_redox_flow_battery
Earth's most severe extinction event
ratios, positive Ce/Ce* anomalies, depletions of molybdenum, uranium, and vanadium from seawater, and fine laminations in sediments. However, evidence for
Permian–Triassic extinction event
Permian–Triassic_extinction_event
battery Vanadium redox battery Zinc–bromine battery Zinc–cerium battery Hydrogen–bromine battery Glass battery Lead–acid battery Deep-cycle battery Flooded
List_of_battery_types
American chemist
chemistry. He is a specialist in the chemistry and biochemistry of manganese, vanadium, and metallacrown chemistry. He is a fellow of the American Association
Vincent_L._Pecoraro
Class of enzymes
low in the Mo cofactor. Two types of such nitrogenases are known: the vanadium–iron (VFe; Vnf) type and the iron–iron (FeFe; Anf) type. Both form an assembly
Nitrogenase
Species of bacterium
and vanadium. Vanadium, specifically, can contaminate groundwater in areas near high mining activity. G. metallireducens can utilize vanadium (V) as
Geobacter_metallireducens
Chemical element with atomic number 20 (Ca)
as a reducing agent in the production of chromium, zirconium, thorium, vanadium and uranium. It can also be used to store hydrogen gas, as it reacts with
Calcium
Tool used to provide grip and mechanical advantage
sense of spanner. Higher quality wrenches are typically made from chromium-vanadium alloy tool steels and are often drop-forged. They are frequently chrome-plated
Wrench
Genus of bacteria
requires molybdenum ions, but they can be partially or completely replaced by vanadium ions. If atmospheric nitrogen is not fixed, the source of nitrogen can
Azotobacter
that combines lithium with an organic polymer. For example, polyaniline vanadium (V) oxide (PAni/V2O5) can be incorporated into the nitroxide-polymer lithium
Lithium hybrid organic battery
Lithium_hybrid_organic_battery
Class of marine animals in the subphylum Tunicata
class. More recently, microfossils covered in an organic coat found in vanadium-rich Cambrian black shales in South China have been suggested to be traces
Larvacean
Type of steel used in Middle Eastern swordmaking
thermally cycling and thermally manipulating the steel at a moderate temperature. They found that certain carbide-forming elements, including vanadium, did
Damascus_steel
Microscopic device for detecting infrared radiation
radiation detecting materials in microbolometers are amorphous silicon and vanadium oxide. A problem with some potential materials is that to create the desirable
Microbolometer
Country in Southern Africa
remains the largest global producer of platinum, chrome, manganese, and vanadium, and ranks second in titanium, ilmenite, palladium, rutile, and zirconium
South_Africa
Chemical compound
mixture from igniting. Vanadium pentoxide and molybdenum trioxide are the catalysts used for the benzene route, whereas vanadium phosphate is used for
Maleic_anhydride
Norse goddess
one of Freyja's names, is the source of the name of the chemical element vanadium, so named because of its many colored compounds. Frigga (sometimes called
Freyja
Energy storage system using electrochemical secondary cells
customer requirements such as cost, safety or durability. A 4-hour flow vanadium redox battery at 175 MW / 700 MWh opened in 2024. Lead-acid batteries are
Battery_energy_storage_system
British-American chemist (born 1941)
successfully developed by Whittingham, like LiVOPO4/VOPO4. The multivalent vanadium cation (V3+<->V5+) plays an important role to accomplish the multi-electron
M._Stanley_Whittingham
Steel alloy resistant to corrosion
strength and toughness. Creep-resisting grades. Small additions of niobium, vanadium, boron, and cobalt increase the strength and creep resistance up to about
Stainless_steel
Fuel oils of a tar-like consistency
undesirable compounds and elements, which include aromatics, sulfur, nitrogen, vanadium, and others. These non-hydrocarbon contaminants significantly increase
Heavy_fuel_oil
Subset of tool steels
multi-component alloy system where X represents chromium, tungsten, molybdenum, vanadium, or cobalt. Generally, the X component is present in excess of 7%, along
High-speed_steel
Process of increasing the rate of a chemical reaction
transition metal oxides, metals such as Raney nickel for hydrogenation, and vanadium(V) oxide for oxidation of sulfur dioxide into sulfur trioxide by the contact
Catalysis
Type of crucible steel
specifically the inclusion of Vanadium (~0.005%) in carbide formation, along with the need for repeated thermal cycling of the forged blades in the pattern
Wootz_steel
Study of the chemical elements and compounds necessary for normal plant life
external supply. In its absence the plant is unable to complete a normal life cycle, or that the element is part of some essential plant constituent or metabolite
Plant_nutrition
Chemical compound
to hydrated cations. Related to the oxycations are the oxyhalides, e.g. vanadium oxytrichloride (VOCl3). The chemical formulas of the oxides of the chemical
Oxide
Class of echinoderms
Vanadium in Sedimentary Rocks. Princeton University. p. 473. Ciereszko, L.; Ciereszko, E; Harris, E; Lane, C (1962). "On the Occurrence of Vanadium in
Sea_cucumber
mass, are also essential for life. Rehder, Dieter (2015). "The role of vanadium in biology". Metallomics. 7 (5): 730–742. doi:10.1039/C4MT00304G. PMID 25608665
Biological roles of the elements
Biological_roles_of_the_elements
Italian renewable energy corporation
of 9.3 MW and costs of about €11.5 million. Also in March, the largest vanadium redox flow battery located in Europe was switched on at the Enel Green
Enel_Green_Power
Mechanism that maintains marine microbial diversity
specifically various microorganisms in the water column. This allows for constant cycling of this dissolved organic matter. Stratification of the water column due
Viral_shunt
Type of battery
secondary cell using a vanadium pentoxide cathode and a chloride-based electrolyte. Although the prototype failed after 20 cycles, it established the electrolyte
Aluminium-ion_battery
VANADIUM CYCLE
VANADIUM CYCLE
Boy/Male
Tamil
Janardana | ஜநாரà¯à®¤à®¨
Lord Krishna, One who helps people, Liberator from the cycle of birth and death
Janardana | ஜநாரà¯à®¤à®¨
Boy/Male
Hindu
Free from the cycle of births and deaths
Boy/Male
Hindu
Lord Krishna, One who helps people, Liberator from the cycle of birth and death
Boy/Male
Hindu
Lord Krishna, One who helps people, Liberator from the cycle of birth and death
Boy/Male
Hindu
Lord Krishna, One who helps people, Liberator from the cycle of birth and death
Male
Irish
Irish name CAILTE means "the thin man." This is the name of a character from the Fenian cycle.
Boy/Male
Tamil
Janardhana | ஜநாரà¯à®¤à®¾à®¨à®¾
Lord Krishna, One who helps people, Liberator from the cycle of birth and death
Janardhana | ஜநாரà¯à®¤à®¾à®¨à®¾
Boy/Male
Tamil
Jaramarana Varjita | ஜராமாஂரநா வரà¯à®œà¯€à®¤à®¾
Free from the cycle of births and deaths
Jaramarana Varjita | ஜராமாஂரநா வரà¯à®œà¯€à®¤à®¾
Boy/Male
Assamese, Hindu, Indian, Marathi
The Healer; Vishnu; Who Cures the Disease of Birth and Death Cycles
Boy/Male
Hindu, Indian, Marathi
Vishnu; The Healer; Who Cures the Disease of Birth and Death Cycles
Male
Spanish
Spanish name of Germanic origin, possibly GUIOMAR means "famous in battle." In the 13th century Vulgate Cycle of Arthurian romance, Sir Guiomar is the proud and beautiful knight of the crystal stream.
Surname or Lastname
Scottish and Irish
Scottish and Irish : reduced form of McNay.English : variant of Nye.French : habitational name from places so called in Manche and Pyrénées Atlantiques, possibly named with Latin Nadium, from a Gaulish personal name, Nadius.Dutch : metonymic occupational name for a tailor or embroiderer, from a derivative of naaien ‘to sew’.Jewish (Ashkenazic) : Yiddish equivalent of German Neu.
Surname or Lastname
English and French
English and French : from a Germanic personal name composed of the elements ragin ‘counsel’ + hard ‘hardy’, ‘brave’, ‘strong’, which was introduced into England by the Normans in the form Re(i)nard. This was the name borne by the cunning fox in the popular medieval cycle of beast tales, with the result that from the 13th century it began to replace the previous Old French word for the animal. Some French examples may be nicknames for crafty individuals, referring to the fox’s reputation for cunning.
Boy/Male
Tamil
Janardhan | ஜநாரà¯à®¤à®¨
Lord Krishna, One who helps people, Liberator from the cycle of birth and death
Janardhan | ஜநாரà¯à®¤à®¨
Girl/Female
Hindu, Indian, Traditional
The Periphery or Rim of a Wheel or Cycle
Boy/Male
Tamil
Janardan | ஜநாரà¯à®¤à®¨
Lord Krishna, One who helps people, Liberator from the cycle of birth and death
Janardan | ஜநாரà¯à®¤à®¨
Boy/Male
Hindu
Lord Krishna, One who helps people, Liberator from the cycle of birth and death
VANADIUM CYCLE
VANADIUM CYCLE
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sanskrit, Tamil, Telugu
Perpetrator of the Kuru Race
Boy/Male
Sikh
Remembering the Lord by heart, Absorbed in God
Boy/Male
Latin
Of the sea.
Boy/Male
American, British, English
Colt Herder; Keeper of the Colt Herd; Horse Herdsman; Variant of Colt; Young Horse; Frisky
Boy/Male
Indian, Punjabi, Sikh
Inanimate Victory
Boy/Male
Russian
farmer'.
Male
English
Variant spelling of Middle English Aldwin, ELDWIN means "old friend."
Boy/Male
Indian, Kannada, Tamil
Ingenious; Resourceful
Boy/Male
Indian, Punjabi, Sikh
Aware; Brave
Surname or Lastname
South German
South German : occupational name for an official in charge of the legal auction of property confiscated in default of a fine; such a sale was known in Middle High German as a gant (from Italian incanto, a derivative of Late Latin inquantare ‘to auction’, from the phrase In quantum? ‘To how much (is the price raised)?’).German : metonymic occupational name for a cooper, from Middle High German ganter, kanter ‘barrel rack’.German : variant of Gander 3.English : occupational name for a glover, from Old French gantier, an agent derivative of gant ‘glove’ (see Gant).
VANADIUM CYCLE
VANADIUM CYCLE
VANADIUM CYCLE
VANADIUM CYCLE
VANADIUM CYCLE
v. i.
To ride a bicycle, tricycle, or other form of cycle.
n.
A salt of vanadic acid.
n.
A green micaceous mineral occurring in minute scales. It is essentially a silicate of aluminia and potash containing vanadium.
n.
A fragrant gum resin obtained chiefly from tropical trees of the genera Amyris and Canarium. A. elemifera yields Mexican elemi; C. commune, the Manila elemi. It is used in the manufacture of varnishes, also in ointments and plasters.
v. i.
To pass through a cycle of changes; to recur in cycles.
n.
A dark green amorphous dyestuff, produced by the oxidation of aniline in the presence of copper or vanadium salts; -- called also aniline black.
n.
A name originally given (from its red acid) to the metal vanadium.
a.
Pertaining to, or designating, an acid of vanadium, analogous to pyrophosphoric acid.
a.
Of or pertaining to vanadium; obtained from vanadium; -- said of an acid containing one equivalent of vanadium and two of oxygen.
n.
The hypothetical radical VO, regarded as a characterized residue of certain vanadium compounds.
a.
Of, pertaining to, or designating, a vanadic acid analogous to metaphosphoric acid.
n.
A salt of vanadious acid, analogous to a nitrite or a phosphite.
n.
Pledge; security; bail. See Mortgage.
n.
A rare element of the nitrogen-phosphorus group, found combined, in vanadates, in certain minerals, and reduced as an infusible, grayish-white metallic powder. It is intermediate between the metals and the non-metals, having both basic and acid properties. Symbol V (or Vd, rarely). Atomic weight 51.2.
imp. & p. p.
of Cycle
n.
An aroid plant (Caladium sagittaefolium), the leaves of which are boiled and eaten in the West Indies.
n.
A genus of aroideous plants, of which some species are cultivated for their immense leaves (which are often curiously blotched with white and red), and others (in Polynesia) for food.
a.
Pertaining to, or containing, vanadium; specifically, designating those compounds in which vanadium has a lower valence as contrasted with the vanadic compounds; as, vanadious acid.
a.
Pertaining to, or obtained from, vanadium; containing vanadium; specifically distinguished those compounds in which vanadium has a relatively higher valence as contrasted with the vanadious compounds; as, vanadic oxide.
n.
A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.