|
4 definitions found
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Atom \At"om\, noun [L. atomus, Gr. ?, uncut, indivisible; 'a priv.
+ ?, verbal adjective of ? to cut: cf. F. atome. See {Tome}.]
1. (Physics)
(a) An ultimate indivisible particle of matter.
(b) An ultimate particle of matter not necessarily
indivisible; a molecule.
(c) A constituent particle of matter, or a molecule
supposed to be made up of subordinate particles.
Note: These three definitions correspond to different views
of the nature of the ultimate particles of matter. In
the case of the last two, the particles are more
correctly called molecules. --Dana.
2. (Chem.) The smallest particle of matter that can enter
into combination; one of the elementary constituents of a
molecule.
3. Anything extremely small; a particle; a whit.
There was not an atom of water. --Sir J. Ross.
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Atom \At"om\, verb (used with an object)
To reduce to atoms. [Obs.] --Feltham.
From WordNet (r) 2.0 [wn]:
atom
noun
1: (physics and chemistry) the smallest component of an element
having the chemical properties of the element
2: (nontechnical usage) a tiny piece of anything [syn: {molecule},
{particle}, {corpuscle}, {mote}, {speck}]
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
175 Moby Thesaurus words for "atom":
Bohr atom, Dirac atom, I, Lewis-Langmuir atom, Thomson atom, ace,
acid, acidity, agent, air, alkali, alkalinity, alloisomer, anion,
antacid, atomic model, atomic particles, atoms, base, biochemical,
bit, brute matter, building block, cation, chemical,
chemical element, chromoisomer, component, compound, constituent,
copolymer, cubical atom, dab, dash, dimer, dole, dot, dram,
dribble, driblet, dwarf, dyad, earth, electron, element,
elementary particle, elementary unit, fabric, farthing, fire,
fleck, flyspeck, fragment, fundamental particle, gobbet, grain,
granule, groat, hair, handful, heavy chemicals, heptad, hexad,
high polymer, homopolymer, hydracid, hyle, hypostasis,
inorganic chemical, ion, iota, isobar, isomer, isotopic isobar,
jot, labeled atom, little, little bit, lota, macromolecule,
material, material world, materiality, matter, medium, meson,
metamer, minim, minimum, minutiae, mite, modicum, molecule, monad,
monomer, mote, natural world, nature, neutral atom, neutralizer,
no other, nonacid, none else, normal atom, nothing else,
nought beside, nuclear atom, nuclear isomer, nuclear particle,
nuclide, nutshell, octad, one, one and only, organic chemical,
ounce, oxyacid, particle, pebble, pentad, physical world, pinch,
pittance, planetary shell, plenum, point, polymer, proton,
pseudoisomer, quark, radiation atom, radical, reagent, recoil atom,
scruple, shade, shell, smack, smidgen, smitch, soupcon, speck,
spice, spoonful, spot, stripped atom, stuff, subshell, substance,
substratum, suggestion, sulfacid, suspicion, tagged atom, tangible,
tetrad, the four elements, thimbleful, tincture, tinge, tiny bit,
tittle, touch, trace, tracer, tracer atom, triad, trifling amount,
trimer, trivia, unit, unit of being, valence shell, water, whit
|