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In nuclear physics, ab initio methods seek to describe the atomic nucleus from the bottom up by solving the non-relativistic Schrödinger equation for all
Ab initio methods (nuclear physics)
Ab_initio_methods_(nuclear_physics)
Latin term meaning "from the beginning"
prior special preparation. In nuclear physics, the mass-energy of different nuclei can be determined with ab initio methods by solving the Schrödinger equation
Ab_initio
Computer simulations to discover and understand chemical properties
smaller systems and shorter times. [citation needed] Ab initio quantum mechanical and chemical methods may be used to calculate the potential energy of a
Molecular_dynamics
Minimum energy required to separate particles within a nucleus
Nuclear binding energy in nuclear physics and nuclear engineering is the minimum energy that is required to fully disassemble the nucleus of one atom
Nuclear_binding_energy
Probabilistic problem-solving algorithm
simulation code including dynamic composition changes". Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and
Monte_Carlo_method
Numerical simulations of physical problems via computers
calculated by this and several methods, including the Luttinger-Kohn/k.p method and ab-initio methods. On top of advanced physics software, there are also a
Computational_physics
Model of the atomic nucleus
R.; Navrátil, P.; Vary, J. P. (2013). "Ab initio no core shell model". Progress in Particle and Nuclear Physics. 69: 131–181. arXiv:0902.3510. Bibcode:2013PrPNP
Nuclear_shell_model
Branch of chemistry
These empirical methods were replaced in the 1960s by semi-empirical methods such as CNDO. In the early 1970s, efficient ab initio computer programs
Computational_chemistry
Method in quantum chemistry
The ab initio multiple spawning, or AIMS, method is a time-dependent formulation of quantum chemistry. In AIMS, nuclear dynamics and electronic structure
Ab_initio_multiple_spawning
Measurement in atomic physics
In atomic physics, the effective nuclear charge of an electron in a multi-electron atom or ion is the number of elementary charges ( e {\displaystyle e}
Effective_nuclear_charge
Field of physics that studies atomic interactions
which pairs of neutrons and protons interact as bosons. Ab initio methods try to solve the nuclear many-body problem from the ground up, starting from the
Nuclear_physics
Approximation method in quantum physics
fundamental physical principles, i.e., ab initio. His first proposed method of solution became known as the Hartree method, or Hartree product. However, many
Hartree–Fock_method
Reaction that combines atomic nuclei
(2011). "Pyroelectric fusion using a tritiated target". Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors
Nuclear_fusion
British theoretical chemist (1925–2004)
describing these methods. Pople pioneered the development of more sophisticated computational methods, called ab initio quantum chemistry methods, that use basis
John_Pople
System of interacting nucleons
quarks Nuclear structure – Structure of the atomic nucleus Neutronium – Hypothetical substance in nuclear physics Nuclear physics – Field of physics that
Nuclear_matter
Method for approximating many-body systems
post-Hartree–Fock ab initio quantum chemistry methods in the field of computational chemistry, but it is also used in nuclear physics. Coupled cluster
Coupled_cluster
American theoretical physicist (1918–1988)
started doubting the truth of what was passed down and to investigate ab initio, from experience, what the true situation was—this was science. In 1974
Richard_Feynman
Nuclear research facility in Mumbai, India
of Nuclear physics, chemical engineering, Materials science and metallurgy, Instrumentation, Biology and Medicine, Supercomputer, Particle physics and
Bhabha_Atomic_Research_Centre
Reaction that splits an atomic nucleus
of Physics History Center atomicarchive.com Nuclear Fission Explained Nuclear Files.org Archived 2018-03-08 at the Wayback Machine What is Nuclear Fission
Nuclear_fission
Atoms or particles produced by nuclear fission
Nuclear fission products are the atomic fragments left after a large atomic nucleus undergoes nuclear fission. Typically, a large nucleus like that of
Nuclear_fission_product
Computational chemistry software package
implement this method. The CPMD method is one of the major methods for calculating ab initio molecular dynamics (ab initio MD or AIMD). Ab initio molecular
Car–Parrinello molecular dynamics
Car–Parrinello_molecular_dynamics
Computational quantum mechanical modelling method to investigate electronic structure
mechanical modeling method used in physics, chemistry and materials science to investigate the electronic structure (or nuclear structure) (principally
Density_functional_theory
Hungarian-American physicist and inventor (1898–1964)
made numerous important discoveries in nuclear physics and the biological sciences. He conceived the nuclear chain reaction in 1933, and patented the
Leo_Szilard
Emissions from unstable atomic nuclei
experimental data (Techniques for Nuclear and Particle Physics Experiments ed.). Springer-Verlag. Patel, S.B. (2000). Nuclear physics: an introduction. New Delhi:
Radioactive_decay
Structure of the atomic nucleus
structure of the atomic nucleus is one of the central challenges in nuclear physics. The cluster model describes the nucleus as a molecule-like collection
Nuclear_structure
State of matter
approximated using experimental data or some other input. Ab initio quantum mechanical methods simulate liquids using only the laws of quantum mechanics
Liquid
Predicted set of isotopes of relatively more stable superheavy elements
In nuclear physics, the island of stability is a predicted set of isotopes of superheavy elements that may have considerably longer half-lives than known
Island_of_stability
Theoretical chemical element with atomic number 119 (Uue)
"Ab initio studies of atomic properties and experimental behavior of element 119 and its lighter homologs" (PDF). The Journal of Chemical Physics. 138
Ununennium
Type of radioactive decay
In nuclear physics, beta decay (β-decay) is a type of radioactive decay in which an atomic nucleus emits a beta particle (fast energetic electron or positron)
Beta_decay
even smaller particles such as quarks. Particle physics studies these smallest particles; nuclear physics studies atomic nuclei and their (immediate) constituents:
History_of_subatomic_physics
Computational chemistry methods to simulate non-adiabatic processes
theoretical chemistry methods tailored to simulate non-adiabatic (NA) processes in molecular and supramolecular chemistry. Such methods are characterized
Mixed quantum-classical dynamics
Mixed_quantum-classical_dynamics
American scientist (born 1933)
Theory and Practical Methods. Cambridge University Press. ISBN 978-1-108-42990-0. Marx, Dominik; Hutter, Jürg (April 30, 2009). Ab Initio Molecular Dynamics:
John_Hopfield
Molecular ion
ratio of the proton mass and the electron mass. Using a sophisticated ab initio formalism, also the hyperfine energies can be computed accurately, see
Dihydrogen_cation
Methods of mathematical approximation
Feynman diagrams. Many of the ab initio quantum chemistry methods use perturbation theory directly or are closely related methods. Implicit perturbation theory
Perturbation_theory
J K L M N O P Q R S T U V W X Y Z See also References External links ab initio A mathematical model which seeks to describe atomic nuclei by solving
Glossary_of_physics
American theoretical physicist
professor at the Iowa State University, specializing in nuclear theory with an emphasis on "ab initio" solutions of quantum many-particle systems and light-front
James_P._Vary
Chemical element with atomic number 86 (Rn)
1991). "Ab initio pseudopotentials for Hg to Rn: II. Molecular calculations on the hydrides of Hg to At and the fluorides of Rn". Molecular Physics. 74 (6):
Radon
Nuclides predating the Earth's formation (found on Earth)
In geochemistry, geophysics and nuclear physics, primordial nuclides, or primordial isotopes, are nuclides found on Earth that have existed in their current
Primordial_nuclide
Chemical element with atomic number 115 (Mc)
Wüllen, C.; Rusakov, A.; Titov, A. (September 2007). "Relativistic DFT and ab initio calculations on the seventh-row superheavy elements: E113 - E114" (PDF)
Moscovium
Subatomic particle with positive charge
Kurth, T.; Lellouch, L.; Lippert, T.; Szabo, K.K.; Vulvert, G. (2008). "Ab Initio Determination of Light Hadron Masses". Science. 322 (5905): 1224–1227
Proton
Theory of the strong nuclear interactions
Particle data group Yang-Mills & the Mass Gap Millennium Prize Problem Ab Initio Determination of Light Hadron Masses Andreas S Kronfeld The Weight of
Quantum_chromodynamics
Technique used for determining crystal structures and identifying mineral compounds
estimates can be obtained in a variety of ways: Ab initio phasing or direct methods – This is usually the method of choice for small molecules (<1000 non-hydrogen
X-ray_crystallography
Polish-born American physical chemist
systems and atomic nuclei, including methods based on coupled cluster theory, mathematical methods of chemistry and physics, and theory of intermolecular forces
Piotr_Piecuch
American academic
Lett. B. 769: 242–248. Sadofyev, A.; Sievert, M.D.; Vitev, I. (2021). "Ab initio coupling of jets to collective flow in the opacity expansion approach"
Ivan_Vitev
Chemical element with atomic number 118 (Og)
Anastasia; Pershina, Valeria; Kaldor, Uzi; Eliav, Ephraim. "Fully relativistic ab initio studies of superheavy elements" (PDF). kernchemie.uni-mainz.de. Johannes
Oganesson
Chemical element with atomic number 54 (Xe)
region and some physical properties of these gases" (PDF). Nuclear Instruments and Methods in Physics Research A. 327 (1): 222–226. Bibcode:1993NIMPA.327..222L
Xenon
Mechanism of spontaneous symmetry breaking
and Mead and Truhlar. 1990s: Advances in computing power meant that ab initio methods including those based on the Density Functional Theory started to
Jahn–Teller_effect
Nuclear magnetic resonance crystallography (NMR crystallography) is a method which utilizes primarily NMR spectroscopy to determine the structure of solid
Nuclear magnetic resonance crystallography
Nuclear_magnetic_resonance_crystallography
Chemical compound
molecule, and is therefore extremely important for the benchmarking of ab initio methods. With such a light mass, it is also an important benchmark system
Beryllium_monohydride
Solid state physics calculation technique
The projector augmented wave method (PAW) is a technique used in ab initio electronic structure calculations. It is a generalization of the pseudopotential
Projector augmented wave method
Projector_augmented_wave_method
Chemical compound
fluoride – Inorganic scintillator for subnanosecond timing". Nuclear Instruments and Methods in Physics Research. 206 (1–2): 169–176. Bibcode:1983NIMPR.206..169L
Barium_fluoride
Location of a discrete degeneracy between two electronic states
crossing Bond softening Bond hardening Vibronic coupling Surface hopping Ab initio multiple spawning Todd J. Martinez (September 2010). "Physical chemistry:
Conical_intersection
Nuclear physics classification method
In nuclear physics, properties of a nucleus depend on evenness or oddness of its atomic number (proton number) Z, neutron number N and, consequently,
Even_and_odd_atomic_nuclei
Study involving matter and electromagnetic radiation
Scattering: A Tool in Molecular Vibrational Spectroscopy and a Test of ab Initio Methods". The Journal of Physical Chemistry A. 105 (16): 3949–3960. doi:10
Spectroscopy
Chemical data page
completion of the periodic table of the negative ions". Nuclear Instruments and Methods in Physics Research B. 123 (1–4): 521–526. Bibcode:1997NIMPB.123
Electron_affinity_(data_page)
Prize awarded by the International Centre for Theoretical Physics
the ICTP is given each year by the International Centre for Theoretical Physics (ICTP) in honour of physicist Paul Dirac. The award, announced each year
Dirac_Medal_(ICTP)
Molecule containing main group elements with more than eight valence electrons
elimination from XH4 hypervalent species (X = S, Se and Te). Ab initio MO study". Chemical Physics Letters. 204 (1–2): 65–72. Bibcode:1993CPL...204...65M.
Hypervalent_molecule
Chemical compound
Born–Oppenheimer Potential for the X1Σ+ Ground State of HeH+: Comparison with the Ab Initio Potential". Journal of Molecular Spectroscopy. 193 (2): 306–318. Bibcode:1999JMoSp
Helium_hydride_ion
Set of functions used to represent the electronic wave function
"Simultaneous determination of nuclear and electronic wave functions without Born-Oppenheimer approximation: Ab initio NO+MO/HF theory". International
Basis_set_(chemistry)
Problem in applied mathematics
electrons, such as the Hubbard model. Nuclear physics — It prevents the ab initio calculation of properties of nuclear matter and hence limits our understanding
Numerical_sign_problem
Type of radioactive decay
In nuclear physics, double beta decay is a type of radioactive decay in which two neutrons are simultaneously transformed into two protons, or vice versa
Double_beta_decay
Alloys with high proportions of several metals
ab initio calculations such as density functional theory (DFT). However, DFT modeling of complex, random alloys has its own challenges, as the method
High-entropy_alloy
Maslov Victor Popov Victor Schumann Victor Vacquier Victor Veselago Vienna Ab initio Simulation Package Vienna Standard Mean Ocean Water Vienna rectifier View
Index_of_physics_articles_(V)
American nuclear theorist, researcher and educator
"Ab initio alpha-alpha scattering". Lee, Dean (2009). "Lattice simulations for few-and many-body systems". Progress in Particle and Nuclear Physics. 63
Dean_Lee
Two water molecules held together by a hydrogen bond; the simplest water cluster
Molecular-orbital studies of hydrogen bonds. An ab initio calculation for dimeric water. Journal of Chemical Physics 1968, 48, 3275-3282. Tretyakov, M. Yu; Koshelev
Water_dimer
Chemical reaction rate theory
chemical reactions, including nuclear quantum effects such as tunnelling, from ab initio quantum chemistry. The method makes use of the semiclassical
Semiclassical transition state theory
Semiclassical_transition_state_theory
Atoms of the same element, but different mass
portal Physics portal Science portal Abundance of the chemical elements Bainbridge mass spectrometer Geotraces Isotope hydrology Isotopomer Nuclear isomer
Isotope
German catalysis research institute
Charge Transport (Christian Carbogno) Ab Initio Biomolecular Simulations (Carsten Baldauf) Simulations from Ab Initio Approaches: Structure and Dynamics
Fritz Haber Institute of the Max Planck Society
Fritz_Haber_Institute_of_the_Max_Planck_Society
American physicist (1900–1976)
report their SSMTG and later activities, follows. Leland C. Allen †‡, ab initio molecular calculations, electronegativity, Professor of Chemistry Emeritus
John_C._Slater
Series of radioactive decays
lost to neutrinos, is 46.40 MeV; from californium-251, 69.91 MeV. Nuclear physics Radioactive decay Valley of stability Decay product Radioisotopes (radionuclide)
Decay_chain
Italian physicist (born 1947)
Michele Parrinello for their development of the ab initio molecular dynamics simulation method. The method combines the quantum mechanical density functional
Roberto_Car
Method of protein structure prediction
to public. Phyre is a popular threading server combining HHsearch with ab initio and multiple-template modelling. MUSTER is a standard threading algorithm
Threading_(protein_sequence)
Quantum state of a system
PMID 20540550. Dreuw, Andreas; Head-Gordon, Martin (2005). "Single-Reference ab Initio Methods for the Calculation of Excited States of Large Molecules". Chemical
Excited_state
Chemical element with atomic number 104 (Rf)
Sikka, S.K. (2012). "Structural properties of rutherfordium: An ab-initio study". Physics Letters A. 376 (4): 620–625. arXiv:1106.3146. Bibcode:2012PhLA
Rutherfordium
Process where an excited nucleus ejects an orbital electron from its atom
Kenneth S. (1988). Introductory Nuclear Physics. J. Wiley & Sons. ISBN 0-471-80553-X. Bertulani, Carlos A. (2007). Nuclear Physics in a Nutshell. Princeton University
Internal_conversion
Technique in computational quantum field theory
Pivovarov; J. P. Vary (2005). "Ab initio results for the broken phase of scalar light front field theory". Physics Letters B. 617 (1–2): 92–98. arXiv:hep-th/0310290
Light-front computational methods
Light-front_computational_methods
Soviet physicist (1894–1952)
Shaefer, Henry F. (1984). Quantum Chemistry: The Development of Ab Initio Methods in Molecular Electronic Structure Theory. Dover Publications. pp. 3–4
Yakov_Frenkel
Activation energy required for a nucleus of an atom to undergo fission
In nuclear physics and nuclear chemistry, the fission barrier is the activation energy required for a nucleus of an atom to undergo fission. This barrier
Fission_barrier
Method for structure analysis of biological materials
sequence. Thus, very divergent sequences may have similar structure. Ab initio methods, on the other hand, challenge one of the biggest problems in molecular
Biological small-angle scattering
Biological_small-angle_scattering
Chemical element with atomic number 85 (At)
(1991). "Ab Initio Pseudopotentials for Hg to Rn: II. Molecular Calculations on the Hydrides of Hg to At and the Fluorides of Rn". Molecular Physics. 74 (6):
Astatine
Wavefunction. It contains code for molecular mechanics, semi-empirical methods, ab initio models, density functional models, post-Hartree–Fock models, thermochemical
Spartan_(chemistry_software)
British mathematical physicist (born 1930)
January 1998). "Ab initio relativistic quantum chemistry: Four-components good, two-components bad!". In Löwdin, Per-Olov (ed.). Ab initio relativistic quantum
Ian_Grant_(physicist)
collection of rules, observations, and recipes than rigorous ab initio quantitative methods.[citation needed] This heuristic approach triumphed in 1953
20th_century_in_science
Chemical element with atomic number 114 (Fl)
Anastasia; Pershina, Valeria; Kaldor, Uzi; Eliav, Ephraim. "Fully relativistic ab initio studies of superheavy elements" (PDF). www.kernchemie.uni-mainz.de. Johannes
Flerovium
Subatomic particle with no charge
than the Sun. Neutron properties and interactions are described by nuclear physics. Neutrons are not elementary particles; each is composed of three quarks
Neutron
Heat required to raise the temperature of a given unit of mass of a substance
be made by the methods of Einstein and Debye discussed below. However, attention should be made for the consistency of such ab-initio considerations when
Specific_heat_capacity
Ukrainian–American physical chemist (born 1970)
simulations in condensed matter systems. A Python extension for ab initio real-time electron-nuclear dynamics, PYXAID is released under the GNU General Public
Oleg_Prezhdo
Research institute in Stuttgart, Germany
of ab initio methods for treating correlated electronic systems, using Quantum Monte Carlo, quantum chemical and many-body methodologies. Ab initio methods
Max Planck Institute for Solid State Research
Max_Planck_Institute_for_Solid_State_Research
Function used in quantum chemistry
Gaussian) has led many to expand them in terms of Gaussians. Analytical ab initio software for polyatomic molecules has been developed, e.g., STOP: a Slater
Slater-type_orbital
Weak acid with formula H3BO3
density of orthoboric acid determined by X-ray diffraction at 105 K and ab initio calculations". Acta Crystallographica Section B Structural Science. 42
Boric_acid
Point defect in diamonds
.74j4303M. doi:10.1103/PhysRevB.74.104303. Gali, Ádám (2019-11-01). "Ab initio theory of the nitrogen-vacancy center in diamond". Nanophotonics. 8 (11):
Nitrogen-vacancy_center
Technique in computational quantum field theory
Pivovarov; J. P. Vary (2005). "Ab initio results for the broken phase of scalar light front field theory". Physics Letters B. 617 (1–2): 92–98. arXiv:hep-th/0310290
Light_front_quantization
Italian physicist
statistical ensembles. Studies on biological macromolecules using ab initio methods and predictive models to identify active sites in proteins and DNA
Giancarlo_Rossi
Rubel, Oleg (2022). "WloopPHI: A tool for ab initio characterization of Weyl semimetals". Computer Physics Communications. 270 108147. arXiv:2008.08124
WIEN2k
British physicist (born 1941)
physicist who is Emeritus professor of Physics and Fellow of Keble College at Oxford University. Author of Nuclear is for Life: A Cultural Revolution, Radiation
Wade_Allison
Star at the centre of the Solar System
capturing the Sun: Solar wind irradiation at Lagrange 1". Nuclear Instruments and Methods in Physics Research B. 267 (7): 1101–1108. Bibcode:2009NIMPB.267
Sun
Research institute in Mülheim an der Ruhr, Germany
spectrum such as ab initio methods, density functional theory, semiempirical methods and combined quantum mechanical/molecular mechanical methods. "Board of
Max Planck Institute for Coal Research
Max_Planck_Institute_for_Coal_Research
Italian chemist (1931–2021)
Vol. 9, No. 1, 1965 doi:10.1147/JRD.1965.5392159 Clementi, E. (1965). "Ab Initio Computations in Atoms and Molecules". IBM Journal of Research and Development
Enrico_Clementi
Solid metallic material with disordered atomic-scale structure
empirical searching of the phase space or experimental trial and error. Ab-initio molecular dynamics (MD) simulation confirmed that the atomic surface structure
Amorphous_metal
American physicist
test ab initio methods in light nuclei, seminal analyses of antineutrino spectra, and the development of new database tools to understand nuclear data"
Elizabeth_McCutchan
AB INITIO-METHODS-NUCLEAR-PHYSICS
AB INITIO-METHODS-NUCLEAR-PHYSICS
Girl/Female
Latin
Sweet.
Male
Greek
(Μεθόδιος) Greek name derived from methodos, METHODIOS means "method."
Male
Spanish
Variant spelling of Spanish Iñjgo, probably INIGO means "my little one."
Boy/Male
Egyptian
Name of a prince.
Male
Slovene
Slovene form of Greek Methodios, METOD means "method."
Boy/Male
Indian
Example
Girl/Female
Indian
Infinite, Divine
Girl/Female
Hindu, Indian
Method
Male
Egyptian
, the father of Nes-em-ab.
Boy/Male
Indian, Sanskrit
Method; Law
Girl/Female
Indian
Method
Girl/Female
Indian, Telugu
Method; Manner
Female
Egyptian
, the daughter of the prophet Ra-nofre-ab.
Male
Polish
Polish form of Greek Methodios, METODY means "method."
Male
Finnish
Finnish name INTO means "enthusiasm."
Male
Greek
(Σήθος) Greek form of Egyptian Sutekh, possibly SETHOS means "one who dazzles." In mythology, this is the name of an ancient evil god of Chaos, storms, and the desert, who slew Osiris.Â
Boy/Male
Welsh
Son of Owen.
Male
Hindi/Indian
(নীতিন) Hindi name, possibly NITIN means "right path."
Male
Egyptian
, the father of Aaab.
Male
Italian
Italian and Spanish form of Roman Latin Vinicius, VINICIO means "vine."
AB INITIO-METHODS-NUCLEAR-PHYSICS
AB INITIO-METHODS-NUCLEAR-PHYSICS
Boy/Male
Hindu, Indian
Name of Hindu Goddess Durga
Girl/Female
Hindu, Indian, Malayalam, Marathi
Gift of Love
Boy/Male
Tamil
Auspicious, Lord Shiva
Girl/Female
German Latin Swedish American
Dark.
Boy/Male
Tamil
One of names of the Sun God
Boy/Male
Australian, Biblical, Christian
Son of the Lord; God has Built
Girl/Female
Arabic, Muslim
Ruler of Sky; Height
Girl/Female
Welsh
Legendary daughter of KyvwIch.
Boy/Male
Gujarati, Hindu, Indian, Jain, Kannada, Malayalam, Marathi, Sanskrit, Tamil, Telugu, Traditional
God of Yoga (Lord Shiva)
Girl/Female
Bengali, Danish, Gujarati, Hindu, Indian, Persian, Swedish
One who Brings Joy; Moving; Help; Light; Glow; Goddess Sita
AB INITIO-METHODS-NUCLEAR-PHYSICS
AB INITIO-METHODS-NUCLEAR-PHYSICS
AB INITIO-METHODS-NUCLEAR-PHYSICS
AB INITIO-METHODS-NUCLEAR-PHYSICS
AB INITIO-METHODS-NUCLEAR-PHYSICS
n.
Orderly arrangement, elucidation, development, or classification; clear and lucid exhibition; systematic arrangement peculiar to an individual.
pl.
of Nucleus
v. t.
To gather, as about a nucleus or center.
n.
A member of a compound quantity; as, a or b in a + b; ab or cd in ab - cd.
n.
A substance associated with nuclein in cell nuclei, and by some considered as the fundamental substance of the nucleus.
a.
Alt. of Nuclear
superl.
Free from impediment or obstruction; unobstructed; as, a clear view; to keep clear of debt.
a.
Of or pertaining to the sect of Methodists; as, Methodist hymns; a Methodist elder.
n.
The art and principles of method.
n.
The fifth month of the Jewish year according to the ecclesiastical reckoning, the eleventh by the civil computation, coinciding nearly with August.
adv.
In a clear manner; plainly.
v. t.
To put an initial to; to mark with an initial of initials.
n.
One who observes method.
n.
Classification; a mode or system of classifying natural objects according to certain common characteristics; as, the method of Theophrastus; the method of Ray; the Linnaean method.
a.
Having a nucleus; nucleate; as, nucleated cells.
n.
An orderly procedure or process; regular manner of doing anything; hence, manner; way; mode; as, a method of teaching languages; a method of improving the mind.
a.
Of or pertaining to a nucleus; as, the nuclear spindle (see Illust. of Karyokinesis) or the nuclear fibrils of a cell; the nuclear part of a comet, etc.
n.
A binary compound of methyl with some element; as, aluminium methide, Al2(CH3)6.
a.
Having a nucleus; nucleated.