As nouns,
gram equivalent is a hyponym of
equivalent weight; that is,
gram equivalent is a
word with a more specific, narrower meaning than
equivalent weight:
- equivalent weight: 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
- gram equivalent: (chemistry) the weight of an element or compound that will combine with or displace 8 grams of oxygen or 1.007 97 grams of hydrogen; the atomic weight divided by the valence.