noun. The state or condition of being equivalent; equality.

noun. An equivalence relation.

noun. The relationship that holds for two propositions that are either both true or both false, so that the affirmation of one and the denial of the other results in contradiction.

To be equivalent to; counterpoise.

noun. The condition of being equivalent; equality in value; correspondence in signification, force, nature, or the like: as, a universal equivalence of weights and measures is extremely desirable; exact equivalence between different words is rare. Also equivalency.

noun. In chem., capability of mutual replacement, in chemical combination, of definite quantities of different substances: thus, there is equivalence between approximately 18.07 parts of aluminium, 40.1 of calcium, 46.1 of sodium, and 55.9 of (ferrous) iron in combining with the same fixed quantity of oxygen.

transitive verb. To be equivalent or equal to; to counterbalance.

noun. The condition of being equivalent or equal; equality of worth, value, signification, or force.

noun. Equal power or force; equivalent amount.

noun. undefined

noun. The quantity of the combining power of an atom, expressed in hydrogen units; the number of hydrogen atoms can combine with, or be exchanged for; valency. See Valence.

noun. The degree of combining power as determined by relative weight. See Equivalent, n., 2.

noun. The condition of being equivalent or essentially equal.

noun. An equivalence relation; ≡; ~

noun. The relationship between two propositions that are either both true or both false.

verb. To be equivalent or equal to; to counterbalance.

noun. a state of being essentially equal or equivalent; equally balanced

noun. essential equality and interchangeability

noun. qualities that are comparable

"It was then, also, that he coined the term equivalence principle."

equivalence of force  equivalence of functions  

alikeness  likeness  similitude  

ambivalence  

causality  causation  continuity  correlation  equality  

accord  accordance  affinity  agreement  analogousness  

equivalent  valence