| atomicism | The doctrine of atoms. See Atomic philosophy, under Atomic. Origin: Cf. F. Atomisme. Source: Websters Dictionary (01 Mar 1998) |
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| atomicity | <chemistry> Degree of atomic attraction; equivalence; valence; also (a later use) the number of atoms in an elementary molecule. See Valence. Origin: Cf. F. Atomicite. Source: Websters Dictionary (01 Mar 1998) |
| atomiser | A device used to reduce liquid medication to fine particles in the form of a spray or aerosol; useful in delivering medication to the nose and throat. See: nebuliser, vaporiser. Origin: G. Atomos, indivisible particle (05 Mar 2000) |
| atomism | The doctrine of atoms. See Atomic philosophy, under Atomic. Origin: Cf. F. Atomisme. Source: Websters Dictionary (01 Mar 1998) |
| atomist | One who holds to the atomic philosophy or theory. Origin: Cf. F. Atomiste. Source: Websters Dictionary (01 Mar 1998) |
| atomistic | Of or pertaining to atoms; relating to atomism. "It is the object of the mechanical atomistic philosophy to confound synthesis with synartesis." (Coleridge) Source: Websters Dictionary (01 Mar 1998) |
| atomistic psychology | Any psychologic system based on the doctrine that mental processes are built up through the combination of simple elements; e.g., psychoanalysis, behaviourism. (05 Mar 2000) |
| atomization | 1. The act of reducing to atoms, or very minute particles; or the state of being so reduced. 2. <medicine> The reduction of fluids into fine spray. Source: Websters Dictionary (01 Mar 1998) |
| atomize | To reduce to atoms, or to fine spray. "The liquids in the form of spray are said to be pulverized, nebulized, or atomized." (Dunglison) Source: Websters Dictionary (01 Mar 1998) |
| atomizer | One who, or that which, atomizes; especially, an instrument for reducing a liquid to spray for disinfecting, cooling, or perfuming. Source: Websters Dictionary (01 Mar 1998) |
| atomology | <study> The doctrine of atoms. Origin: Atom. Source: Websters Dictionary (01 Mar 1998) |
| atomy | An atom; a mite; a pigmy. A skeleton. Origin: For anatomy, taken as an atomy. Source: Websters Dictionary (01 Mar 1998) |
| atomic weight |
(chemistry) the ratio of the atomic mass of an element to half the atomic mass of carbon
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| atomization |
separating something into fine particles annihilation by reducing something to atoms
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| atomize |
spray very finely; "atomize perfume" nuke: strike at with firepower or bombs; "zap the enemy" break up into small particles; "the fine powder had been atomized by air"
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| atomizer |
a dispenser that turns a liquid (such as perfume) into a fine mist
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| atomic |
of or relating to or comprising atoms; "atomic structure"; "atomic hydrogen" nuclear: (weapons) deriving destructive energy from the release of atomic energy; "nuclear war"; "nuclear weapons"; "atomic bombs" immeasurably small
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| atom | a former agency (from 1946 to 1974) that was responsible for research into atomic energy and its peacetime uses in the United States |
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| atom | the explosion of an atomic bomb |
| atom | (chemistry) the mass (in atomic mass units) of an isotope of an element |
| atom | unit of mass for expressing masses of atoms or molecules |
| atom | the order of an element in Mendeleyev's table of the elements |
| atom | a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas |
| atom | a colorless odorless gaseous element that give a red glow in a vacuum tube |
| atom | a radioactive transuranic metallic element produced by bombarding plutonium with neutrons |
| atom | a radioactive transuranic element synthesized by bombarding einsteinium with alpha particles (Md is the current symbol for mendelevium |
| atom | a radioactive transuranic element synthesized by bombarding curium with carbon ions |
| atom | a radioactive transuranic element synthesized from californium |
| atom | a radioactive transuranic element which has been synthesized |
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