Definitions
1.nounAnything that is virtually equal to something else, or has the same value, force, etc.
2.nounAn equivalent weight.
3.verbTo make equivalent to; to equal.
4.adjectiveSimilar or identical in value, meaning or effect; virtually equal."To burn calories, a thirty-minute jog is equivalent to a couple of hamburgers."
5.adjectiveOf two sets, having a one-to-one correspondence; equinumerous.
6.adjectiveRelating to the corresponding elements of an equivalence relation.
7.adjectiveHaving the equal ability to combine.
8.adjectiveOf a map, equal-area.
9.adjectiveEqual in measure but not admitting of superposition; applied to magnitudes."A square may be equivalent to a triangle."