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Microscopy technique using X-rays
Three-dimensional X-ray diffraction (3DXRD) is a microscopy technique using hard X-rays (with energy in the 30-100 keV range) to investigate the internal
Three-dimensional X-ray diffraction
Three-dimensional_X-ray_diffraction
Experimental method in X-ray diffraction
Powder diffraction is a scientific technique using X-ray, neutron, or electron diffraction on powder or microcrystalline samples for structural characterization
Powder_diffraction
Technique used for determining crystal structures and identifying mineral compounds
X-rays to diffract in specific directions. By measuring the angles and intensities of the X-ray diffraction, a crystallographer can produce a three-dimensional
X-ray_crystallography
Synchrotron X-ray diffraction-based imaging technique
with nm-resolution using synchrotron X-ray diffraction-based imaging. The technique works by using scattered X-rays to create a high degree of contrast
Dark-field_X-ray_microscopy
Particle data acquisition technique
X-ray diffraction computed tomography is an experimental technique that combines X-ray diffraction with the computed tomography data acquisition approach
X-ray diffraction computed tomography
X-ray_diffraction_computed_tomography
Lensless computational imaging method
image resolution. Coherent x-ray diffraction imaging (CXDI or CXD) uses x-rays (typically .5-4keV) to form a diffraction pattern which may be more attractive
Coherent_diffraction_imaging
Form of electromagnetic radiation
to X-rays for imaging applications. Other notable uses of X-rays include: X-ray crystallography in which the pattern produced by the diffraction of X-rays
X-ray
Type of microscope that uses X-rays
coherent soft X-ray diffraction microscopy. In 2008, X-ray imaging of an unstained virus was demonstrated. A year later, X-ray diffraction was further applied
X-ray_microscope
structure and chemical composition, often determined by clay mineral X-ray diffraction. Sometimes fine grain sediments are mistakenly described as clays;
Clay mineral X-ray diffraction
Clay_mineral_X-ray_diffraction
Interference phenomenon of waves
diffraction Diffraction from slits Diffraction spike Diffraction vs. interference Diffractive solar sail Diffractometer Energy-dispersive X-ray diffraction Fiber
Diffraction
Lithographic technique that uses X-rays instead of light
materials (such as gold used for X-rays blocking) etc. X-ray lithography uses wavelengths below 1 nm. X-rays overcome the diffraction limits of optical lithography
X-ray_lithography
Specialized technique for electron diffraction
typically not suitable for X-ray diffraction because of their size. Crystals that are one billionth the size needed for X-ray crystallography can yield
Microcrystal electron diffraction
Microcrystal_electron_diffraction
Subarea of scattering in physics
Fiber diffraction is a subarea of scattering, an area in which molecular structure is determined from scattering data (usually of X-rays, electrons or
Fiber_diffraction
Scientific study of crystal structures
X-ray diffraction, neutron diffraction and electron diffraction. These three types of radiation interact with the specimen in different ways. X-rays interact
Crystallography
Emission of secondary X-rays from a material excited by high-energy X-rays
analysis, the fluorescent X-rays emitted by the sample are directed into a diffraction grating-based monochromator. The diffraction grating used is usually
X-ray_fluorescence
Branch of optics
X-ray diffraction, X-ray crystallography, X-ray fluorescence, small-angle X-ray scattering, X-ray microscopy, X-ray phase-contrast imaging, and X-ray
X-ray_optics
Crystallographic electron diffraction technique
surface-sensitive. Diffraction Electron diffraction Transmission electron microscope Electron crystallography CrysTBox X-ray (Powder) diffraction Convergent beam
Selected_area_diffraction
Type of microscope with electrons as a source of illumination
electron diffraction mode where a map of the angles of the electrons leaving the sample is produced. The advantages of electron diffraction over X-ray crystallography
Electron_microscope
Technique to characterize materials using X-ray radiation
used in microprobes (where X-ray microanalysis is the main task) and in XRF; it is widely used in the field of X-ray diffraction to calculate various data
X-ray_spectroscopy
Optical system with resolution performance at the instrument's theoretical limit
limit to its resolution due to the physics of diffraction. An optical instrument is said to be diffraction-limited if it has reached this limit of resolution
Diffraction-limited_system
Bending of electron beams due to electrostatic interactions with matter
Fraunhofer diffraction). Electron diffraction is similar to x-ray and neutron diffraction. However, unlike x-ray and neutron diffraction where the simplest
Electron_diffraction
States of matter for water as a solid
structure is stable down to −268 °C (5 K; −450 °F), as evidenced by x-ray diffraction and extremely high resolution thermal expansion measurements. Ice
Phases_of_ice
Averaging technique for electron diffraction
Precession electron diffraction (PED) is a specialized method to collect electron diffraction patterns in a transmission electron microscope (TEM). By
Precession electron diffraction
Precession_electron_diffraction
Multi-wavelength anomalous diffraction (sometimes Multi-wavelength anomalous dispersion; abbreviated MAD) is a technique used in X-ray crystallography that
Multi-wavelength anomalous diffraction
Multi-wavelength_anomalous_diffraction
Measure of the spread of crystal-plane orientations
curves. Diffraction by mosaics is described by the Darwin–Hamilton equations. The mosaic crystal model goes back to a theoretical analysis of X-ray diffraction
Mosaicity
Method of microscopic imaging
X-rays, electrons, and visible light, providing sub-ångström resolution in electron microscopy and quantitative three-dimensional imaging through X-ray
Ptychography
Algorithmic imaging methods that reconstruct quantitative phase and amplitude
space–bandwidth products and three-dimensional reconstructions via diffraction tomography, eliminating the need for mechanical z-scans. X-ray ptychography of frozen-hydrated
Computational_microscopy
Imaging and diffraction using electrons that pass through samples
transformed from a set of two-dimensional images, Ij(x, y), to a single three-dimensional image, I′j(x, y, z). This three-dimensional image is of particular
Transmission electron microscopy
Transmission_electron_microscopy
Optical device which transmits and refracts light
actually zero, since diffraction places a lower limit on the size of the point spread function. This is called the diffraction limit. Lenses do not form
Lens
Method to determine atomic positions in solids using an electron microscope
combining images with electron diffraction information, or in some cases by collecting three dimensional electron diffraction data by a number of different
Electron_crystallography
Type of electron microscope
wavelength of these characteristic X-rays can be measured by Energy-dispersive X-ray spectroscopy or Wavelength-dispersive X-ray spectroscopy and used to identify
Scanning_electron_microscope
Non-crystalline solid
structural information from the diffraction patterns of amorphous materials. It is useful to obtain diffraction data from both X-ray and neutron sources as they
Amorphous_solid
Method of capturing a multi-wavelength data cube
is a snapshot imaging spectrometer which can produce in fine the three-dimensional (i.e. spatial and spectral) hyperspectral datacube of a scene. The
Computed tomography imaging spectrometer
Computed_tomography_imaging_spectrometer
Ways in which length, distance or range can be measured
crystals and diffraction gratings, diffraction is used with X-ray light, or even electron beams. Measurement techniques for three-dimensional structures
Length_measurement
Scanning microscopy using thin samples and transmitted electrons
above). CBED differs from conventional electron diffraction in that CBED patterns consist of diffraction disks, rather than spots. The width of CBED disks
Scanning transmission electron microscopy
Scanning_transmission_electron_microscopy
History of crystallography to 1895
of X-ray diffraction by Max von Laue in 1912 but that ignores over a century of previous scientific work in the field. In the period before X-rays, crystallography
History of crystallography before X-rays
History_of_crystallography_before_X-rays
Organized way in which molecules are ordered and sorted
and X-ray photoelectron spectroscopy. concerning precise metric three-dimensional information: can be obtained for gases by gas electron diffraction and
Chemical_structure
Energy conservation during diffraction by atoms
neutron, and x-ray diffraction which shows the relationship between: the wavevector of the incident and diffracted beams, the diffraction angle for a given
Ewald's_sphere
Imaging systems using changes in phase
Phase-contrast X-ray imaging or phase-sensitive X-ray imaging is a general term for different technical methods that use information concerning changes
Phase-contrast_X-ray_imaging
is to generate diffraction patterns, a process used in X-ray crystallography. By analyzing the internal reflections of a diffraction pattern (usually
Soft_X-ray_microscopy
Crystal type lacking 3D periodicity
into three different categories: incommensurate modulated structures, incommensurate composite structures, and quasicrystals. The X-ray diffraction patterns
Aperiodic_crystal
Scanning electron microscopy technique
drilling, monochromatic or polychromatic energy-dispersive X-ray diffraction or neutron diffraction (ND). EBSD has a high spatial resolution and is relatively
Electron backscatter diffraction
Electron_backscatter_diffraction
Recording to reproduce a three-dimensional light field
to understand interference and diffraction. Interference occurs when one or more wavefronts are superimposed. Diffraction occurs when a wavefront encounters
Holography
Re-arrangement of viral components into solid crystal particles
electron microscopy. X-ray crystallography utilizes virus crystals' ability to diffract electromagnetic waves upon exposure. Diffraction in this case refers
Virus_crystallisation
Branch of physics that studies light
complicated models of diffraction require working with the mathematics of Fresnel or Fraunhofer diffraction. X-ray diffraction makes use of the fact that
Optics
Wave phenomenon
observed diffraction effects. The simplest descriptions of diffraction are those in which the situation can be reduced to a two-dimensional problem. For
Diffraction_from_slits
slit. 1912 - Max von Laue discovered diffraction patterns from crystals in an X-ray beam. 1912 - Bragg diffraction, expressed through Bragg's law, is first
Timeline_of_crystallography
X-ray imaging technique
in a non-ideal crystal lattice. X-ray diffraction topography is one variant of X-ray imaging, making use of diffraction contrast rather than absorption
Diffraction_topography
Research of materials
microscopy, X-ray diffraction, calorimetry, nuclear microscopy (HEFIB), Rutherford backscattering, neutron diffraction, small-angle X-ray scattering (SAXS)
Materials_science
Diffraction pattern in optics
can make, limited by the diffraction of light. The Airy disk is of importance in physics, optics, and astronomy. The diffraction pattern resulting from
Airy_disk
Fine-grained aluminium phyllosilicates
minerals became better understood in the 1930s with advancements in the x-ray diffraction (XRD) technique indispensable to deciphering their crystal lattice
Clay_mineral
Viewing of objects which are too small to be seen with the naked eye
essential technique in the life and physical sciences. X-ray microscopy is three-dimensional and non-destructive, allowing for repeated imaging of the
Microscopy
British X-ray crystallographer (1920–1958)
Birkbeck College in 1953. Franklin is best known for her work on the X-ray diffraction images of DNA while at King's College London, particularly Photo 51
Rosalind_Franklin
Combining information from two detectors
image can be improved. In 2009 'pseudothermal ghost imaging' and 'ghost diffraction' were demonstrated by implementing the 'computational ghost-imaging'
Ghost_imaging
videos X-ray diffraction NDB ID: UD0017 Database X-ray Atlas -database PDB files of coordinates for nucleic acid structures from X-ray diffraction by NA
Molecular_models_of_DNA
Fluctuation X-ray scattering (FXS) is an X-ray scattering technique similar to small-angle X-ray scattering (SAXS), but is performed using X-ray exposures
Fluctuation_X-ray_scattering
South Korean physicist (born 1963)
applied various frontier X-ray diffraction methods to study condensed matter systems, including recent coherent X-ray diffraction imaging technique. His
Noh_Do_Young
Periodic optical nanostructure that affects the motion of photons
the same way that the structure of natural crystals gives rise to X-ray diffraction and that the atomic lattices (crystal structure) of semiconductors
Photonic_crystal
Chinese-American physicist
coherent diffraction and algorithms, replacing lenses with computation. In 1999, he demonstrated the first experimental coherent diffractive imaging (CDI)
Jianwei_Miao
German physicist (1917–1986)
contributions in the 1960s to 1980s were based on his experience with X-ray diffraction and electron microscopy, from which he derived pioneering theories
Walter_Hoppe
Group of geometric symmetries with at least one fixed point
groups in two dimensions Point groups in three dimensions Point groups in four dimensions Space group X-ray diffraction Conway, John H.; Smith, Derek A. (2003)
Point_group
Technique for the characterisation of crystalline materials
in the characterisation of crystalline materials. The neutron and X-ray diffraction of powder samples results in a pattern characterised by reflections
Rietveld_refinement
Entity in a chemical reaction
mounted on substrates, such as powder diffraction. This type of diffraction, which involves directing high-powered X-rays at powder samples to deduce crystal
Substrate_(chemistry)
Holotomography (HT) is a laser technique to measure the three-dimensional refractive index (RI) tomogram of a microscopic sample such as biological cells
Holotomography
Fourier transform of a real-space lattice, important in solid-state physics
translational symmetry which plays a major role in many areas such as X-ray and electron diffraction as well as the energies of electrons in a solid. It emerges
Reciprocal_lattice
Conceptual parallel between optics and classical mechanics
of rays and wavefronts in ordinary physical three-dimensional space. The wavefronts are two-dimensional curved surfaces; the rays are one-dimensional curved
Hamilton's optical-mechanical analogy
Hamilton's_optical-mechanical_analogy
optimization of optical systems in three-dimensional space. It also performs symbolic modeling of optical systems, diffraction, interference, wave-front, and
Optica_Optics_Software
Indirectly forming images from measurements using algorithms
computed tomography, many X-ray projections are mathematically combined to reconstruct a cross-sectional or three-dimensional image. Related inverse-problem
Computational_imaging
Algorithmic determination of wave cycle parts
applications of phase retrieval include X-ray crystallography, transmission electron microscopy and coherent diffractive imaging, for which M = 2 {\displaystyle
Phase_retrieval
Fabrication technology used to create high-aspect-ratio microstructures
of three main processing steps: lithography, electroplating, and molding. There are two main LIGA-fabrication technologies: X-Ray LIGA, which uses X-rays
LIGA
Physiology & Biophysics researcher, academic
of lipid bilayers. His experimental expertise includes X-ray diffraction, neutron diffraction, molecular dynamics simulations, calorimetry, physical chemistry
Stephen_H._White
Optical imaging technique
diffraction limit) of the optical system because the image of the scanning laser is not an infinitely small point but a three-dimensional diffraction
Confocal_microscopy
Locus of points at equal phase in a wave
usually single points; they are curves in a two dimensional medium, and surfaces in a three-dimensional one. For a sinusoidal plane wave, the wavefronts
Wavefront
Chemical compound
containing organic cations have been isolated and characterized by X-ray diffraction. As one of the most volatile compounds of uranium, uranium hexafluoride
Uranium_hexafluoride
Repository for small molecule crystal structures
Centre for Diffraction Data. The data, typically obtained by X-ray crystallography and less frequently by electron diffraction or neutron diffraction, and submitted
Cambridge_Structural_Database
Particle accelerator designed to produce intense x-ray beams
include energy dispersive X-ray diffraction, resonant inelastic X-ray scattering, and magnetic scattering.[citation needed] X-ray absorption spectroscopy
Synchrotron_light_source
Eighth letter of the Greek alphabet
of the incident beam during X-ray diffraction The uppercase letter Θ is used as a symbol for: Theta functions Dimension of temperature, by SI standard
Theta
Symmetry of molecules of chemical compounds
1891. Later Max von Laue published the results of experiments using X-ray diffraction to elucidate the internal structures of crystals, producing a limited
Molecular_symmetry
Ordered chemical structure with no repeating pattern
as evidenced by X-ray and electron diffraction revealing peak widths as sharp as those of perfect crystals such as Si. Diffraction patterns exhibit fivefold
Quasicrystal
Study of molecular structures in biology
Laue directed X-rays at crystallized copper sulfate generating a diffraction pattern. These experiments led to the development of X-ray crystallography
Structural_biology
Norwegian-American physicist
calculated and measured intensities of diffraction X-ray beams by making careful measurements of diffraction intensities from a target consisting of
William_Houlder_Zachariasen
Study of metals using microscopy
Characterization of microstructures has also been performed using x-ray diffraction (XRD) techniques for many years. XRD can be used to determine the
Metallography
Quantum mechanical waves describing matter
the electric and magnetic fields in thin films. Neutron diffraction complements x-ray diffraction through the different scattering cross sections and sensitivity
Matter_wave
NASA rover exploring Mars since 2012
"Field deployment of a portable X-ray diffraction/X-ray fluorescence instrument on Mars analog terrain". Powder Diffraction. 20 (2): 128–133. Bibcode:2005PDiff
Curiosity_(rover)
Vinay (2010-06-03). "Single-shot x-ray differential phase-contrast and diffraction imaging using two-dimensional transmission gratings". Optics Letters
Single-shot multi-contrast X-ray imaging
Single-shot_multi-contrast_X-ray_imaging
Examination
properties of elementary particles Condensed matter crystal structure x-ray diffraction thermal properties electron theory of metals semiconductors superconductors
GRE_Physics_Test
Digital optical disc format
Blu-ray (Blu-ray Disc or BD) is a digital optical disc data storage format designed to supersede the DVD format. It was invented and developed in the early-mid
Blu-ray
Furthermore, the electron density of a system can be calculated both by X-ray diffraction experiments and theoretical wavefunction calculations. The reduced
Non-covalent interactions index
Non-covalent_interactions_index
English biochemist
an English physicist and molecular biologist who made pioneering X-ray diffraction studies of biological molecules. His work on keratin provided the
William_Astbury
Book by Max Born and Emil Wolf
1016/S0030-3992(00)00061-X. Rosenfeld, L. (February 1960). "Principles of optics. Electromagnetic theory of propagation, interference and diffraction of light". Nuclear
Principles_of_Optics
American biochemist and Nobel laureate (born 1964)
Berkeley National Laboratory for her experiments with high powered x-ray diffraction. In 2009, she took a leave of absence from Berkeley to work at Genentech
Jennifer_Doudna
Diffraction of He from surfaces
material by measuring the diffracted atoms from a monochromatic helium beam incident on the sample. The first recorded helium diffraction experiment was completed
Helium_atom_scattering
Optical phenomenon
Conical refraction is an optical phenomenon in which a ray of light, passing through a biaxial crystal along certain directions, is refracted into a hollow
Conical_refraction
(2014). "Gram-scale synthesis of two-dimensional polymer crystals and their structure analysis by X-ray diffraction". Nature Chemistry. 6 (9): 779–784.
Two-dimensional_polymer
Experiment verifying the wave-particle duality of matter
measured and was determined to have a similar diffraction pattern as those predicted by Bragg for X-rays; some small, but significant differences were
Davisson–Germer_experiment
Tomography technique
tomography Crowther criterion X-ray computed tomography tomviz tomography software imod tomography software X-ray diffraction computed tomography R. Hovden;
Electron_tomography
File format for protein data
TITLE X-RAY CRYSTALLOGRAPHIC DETERMINATION OF A COLLAGEN-LIKE TITLE 2 PEPTIDE WITH THE REPEATING SEQUENCE (PRO-PRO-GLY) ... EXPDTA X-RAY DIFFRACTION AUTHOR
Protein Data Bank (file format)
Protein_Data_Bank_(file_format)
3D conformation of a biological sequence, like DNA, RNA, proteins
analyze A-DNA and Z-DNA X-ray diffraction patterns. Biomolecular structure prediction is the prediction of the three-dimensional structure of a protein
Biomolecular_structure
reflection intensities and lattice spacings from X-ray powder diffraction data with entries in powder-diffraction fingerprinting databases.Crystal structures
Crystallographic_database
Response if an optical system to a point source of light
convolution of that object and the PSF. The PSF can be derived from diffraction integrals. By virtue of the linearity property of optical non-coherent
Point_spread_function
THREE DIMENSIONAL-X-RAY-DIFFRACTION
THREE DIMENSIONAL-X-RAY-DIFFRACTION
Male
English
Variant spelling of English Ray, RAE means "wise protector."Â
Boy/Male
Hindu, Indian
Controlling All Three Dimension
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : nickname denoting someone who behaved in a regal fashion or who had earned the title in some contest of skill or by presiding over festivities, from Old French rey, roy ‘king’. Occasionally this was used as a personal name.English : nickname for a timid person, from Middle English ray ‘female roe deer’ or northern Middle English ray ‘roebuck’.English : variant of Rye (1 and 2).English : habitational name, a variant spelling of Wray.Scottish : reduced and altered form of McRae.French : from a noun derivative of Old French raier ‘to gush, stream, or pour’, hence a topographic name for someone who lived near a spring or rushing stream, or a habitational name from a place called Ray.Indian : variant of Rai.
Boy/Male
Tamil
Trigun | தà¯à®°à®¿à®•à¯à®£
The three dimensions
Trigun | தà¯à®°à®¿à®•à¯à®£
Surname or Lastname
English
English : variant spelling of Ray 1–4.
Male
English
Short form of English Raymond, RAY means "wise protector."
Girl/Female
Indian, Telugu
Uni-dimensional
Girl/Female
Tamil
Trikaya | தà¯à®°à®¿à®•à®¾à®¯à®¾
Three dimensional
Trikaya | தà¯à®°à®¿à®•à®¾à®¯à®¾
Male
Hebrew
 Variant spelling of Hebrew Rav, RAB means "great" or "teacher." Compare with another form of Rab.
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Three Dimentional
Boy/Male
Hindu
Lord Rama
Girl/Female
Tamil
Triguni | தà¯à®°à¯€à®•à¯‚நீ
The three dimensions
Triguni | தà¯à®°à¯€à®•à¯‚நீ
Boy/Male
Hindu, Indian
Shining in Three Dimensions
Girl/Female
Hindu, Indian
Three Dimension
Female
English
English name, possibly derived from the vocabulary word ray, RAE means "sunbeam."
Boy/Male
Tamil
Triyog | தà¯à®°à¯€à®¯à¯‹à®•
Controlling all three dimension
Triyog | தà¯à®°à¯€à®¯à¯‹à®•
Boy/Male
English Teutonic Biblical Sanskrit
Ram.
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
The Three Dimensions
Girl/Female
Hindu
Three dimensional
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
The Three Dimensions
THREE DIMENSIONAL-X-RAY-DIFFRACTION
THREE DIMENSIONAL-X-RAY-DIFFRACTION
Boy/Male
Shakespearean
Henry VI, Part 2' Matthew Goffe.
Girl/Female
Muslim/Islamic
To have mercy upon
Boy/Male
Hindu
Girl/Female
Hindu, Indian
Divine
Girl/Female
Tamil
A paste of leaves
Girl/Female
Arabic, Latin, Muslim
Greatest
Boy/Male
Indian, Sanskrit
With a Quality of Herons; Very Attentive; Watchful
Boy/Male
Assamese, Bengali, Celebrity, Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Punjabi, Sikh, Sindhi, Tamil, Telugu, Traditional
Kindness; Clean; Pure; Talent Person; The One who is Pure
Female
Yiddish
(×§Ö°×¨Ö·×™×™× ×“×œ) Pet form of Yiddish Kreine, KREINDEL means "crown."
Boy/Male
Biblical
Power of God.
THREE DIMENSIONAL-X-RAY-DIFFRACTION
THREE DIMENSIONAL-X-RAY-DIFFRACTION
THREE DIMENSIONAL-X-RAY-DIFFRACTION
THREE DIMENSIONAL-X-RAY-DIFFRACTION
THREE DIMENSIONAL-X-RAY-DIFFRACTION
a.
Consisting of three distinct leaflets; having the leaflets arranged in threes.
a.
Connected with, or serving to connect, three channels or pipes; as, a three-way cock or valve.
n.
The number greater by a unit than two; three units or objects.
n.
A line of light or heat proceeding from a radiant or reflecting point; a single element of light or heat propagated continuously; as, a solar ray; a polarized ray.
n.
The degree of manifoldness of a quantity; as, time is quantity having one dimension; volume has three dimensions, relative to extension.
a.
Having dimensions.
n.
A symbol representing three units, as 3 or iii.
a.
Having three dimensions; extended in three different directions.
a.
Consisting of, or having, three valves; opening with three valves; as, a three-valved pericarp.
a.
Having three sides, especially three plane sides; as, a three-sided stem, leaf, petiole, peduncle, scape, or pericarp.
a.
Having three nerves.
a.
Producing three leaves; as, three-leaved nightshade.
a.
Having three lobes.
a.
Bearing three flowers together, or only three flowers.
n.
One of the component elements of the total radiation from a body; any definite or limited portion of the spectrum; as, the red ray; the violet ray. See Illust. under Light.
a.
Having three corners, or angles; as, a three-cornered hat.
a.
Pertaining to dimension.
n.
Extent; reach; scope; importance; as, a project of large dimensions.
a.
Having three prominent longitudinal angles; as, a three-cornered stem.
n.
The merrymaking of May Day.