DICT.TW Dictionary Taiwan

 atomic bomb
 原子彈

 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 bomb
      n : a nuclear weapon in which enormous energy is released by
          nuclear fission (splitting the nuclei of a heavy element
          like uranium 235 or plutonium 239) [syn: atom bomb, A-bomb,
           fission bomb, plutonium bomb]