n. [ L. atomus, Gr. &unr_;, uncut, indivisible;
☞ 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. [ 1913 Webster ]
There was not an atom of water. Sir J. Ross. [ 1913 Webster ]
v. t. To reduce to atoms. [ Obs. ] Feltham. [ 1913 Webster ]
Atomic bomb,
Atomic philosophy, or
Atomic theory, or the
Atomic weight (Chem.),
adv. In an atomic manner; in accordance with the atomic philosophy. [ 1913 Webster ]
n. An atomist. [ R. ] [ 1913 Webster ]
n. Atomism. [ Obs. ] [ 1913 Webster ]
n. [ Cf. F. atomicité. ] (Chem.) Degree of atomic attraction; equivalence; valence; also (a later use) the number of atoms in an elementary molecule. See Valence. [ 1913 Webster ]
n.
n.