atom·ic /əˈtɑmɪk/
 (a.)原子的,原子武器的;核的,核能的
 atom·ic /əˈtɑmɪk/ 形容詞
 原子的
 atomic
 原子 基元
 A·tom·ic A·tom·ic·al a.
 1. Of or pertaining to atoms.
 2. Extremely minute; tiny.
 Atomic bomb, see atom bomb in the vocabulary.
 Atomic philosophy, or Doctrine of atoms, a system which, assuming that atoms are endued with gravity and motion, accounted thus for the origin and formation of all things. This philosophy was first broached by Leucippus, was developed by Democritus, and afterward improved by Epicurus, and hence is sometimes denominated the Epicurean philosophy.
 Atomic theory, or the Doctrine of definite proportions Chem., teaches that chemical combinations take place between the supposed ultimate particles or atoms of bodies, in some simple ratio, as of one to one, two to three, or some other, always expressible in whole numbers.
 Atomic weight Chem., the weight of the atom of an element as compared with the weight of the atom of hydrogen, taken as a standard.
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 atomic
      adj 1: of or relating to or comprising atoms; "atomic structure";
             "atomic hydrogen"
      2: (weapons) deriving destructive energy from  the release of
         atomic energy; "nuclear war"; "nuclear weapons"; "atomic
         bombs" [syn: nuclear] [ant: conventional]
      3: immeasurably small [syn: atomlike, minute]