
| the combining power, esp. in grams (gram equivalent), of an element or compound, equivalent to hydrogen as a standard of 1.00797 or oxygen as a standard of 8; the atomic weight divided by the valence. |

| gram equivalent n. The amount of a substance whose weight in grams is numerically equal to its equivalent weight. |
gram equivalent n.
The weight of a substance, usually in grams, that combines or reacts with a standard weight of a reference element or compound.
The atomic or molecular weight in grams of an atom or group of atoms involved in a reaction divided by the valence.