1. the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen; [syn: equivalent, equivalent weight, combining weight, eq]
WordNet (r) 3.0 (2006):
equivalent weight
n 1: the atomic weight of an element that has the same combining
capacity as a given weight of another element; the standard
is 8 for oxygen [syn: equivalent, equivalent weight,
combining weight, eq]