adjective.
Of or pertaining to atoms.
adjective.
Extremely minute; tiny.
adjective.
see atom bomb in the vocabulary.
adjective.
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.
adjective.
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.
adjective.
the weight of the atom of an element as compared with the weight of the atom of hydrogen, taken as a standard.