A'voga'dro's num'ber Chem.
the constant, 6.02 × 1023
, representing the number of atoms in a gram atom or the number of molecules in a gram molecule. Symbol:
N Also called A'voga'dro con"stant.
Cf. Loschmidt's number.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.