资料来源 : pyDict

原子数

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Atomicity \At`o*mic"i*ty\, n. [Cf. F. atomicit['e].] (Chem.)
   Degree of atomic attraction; equivalence; valence; also (a
   later use) the number of atoms in an elementary molecule. See
   {Valence}.