equivalent[ē kwiv′ə lənt, i-]
- The definition of equivalent is something that is essentially the same or equal to something else.
An example of equivalent is (2+2) and the number 4. Since 2+2= 4, these two things are equivalent.
- equal in quantity, value, force, meaning, etc.
- Chem. having the same valence
- Geom. equal in area, volume, etc., but not of the same shape
Origin of equivalentMiddle English ; from Old French ; from Late Latin aequivalens, present participle of aequivalere, to have equal power: see equi- and amp; value
- an equivalent thing
- the quantity by weight (of a substance) that combines with 8 grams of oxygen or 1.008 grams of hydrogen
- the weight obtained by dividing the atomic weight by the valence
- a. Equal, as in value, force, or meaning.b. Having similar or identical effects.
- Being essentially equal, all things considered: a wish that was equivalent to a command.
- Mathematics a. Capable of being put into a one-to-one relationship. Used of two sets.b. Having virtually identical or corresponding parts.c. Of or relating to corresponding elements under an equivalence relation.
- Chemistry Having the same ability to combine.
- Logic Having equivalence: equivalent propositions.
- Something that is essentially equal to another: “The hand is not the biological equivalent of a hammer or a screwdriver; the hand is a multipurpose tool like a Swiss Army knife” (Jonathan Gottschall).
- Chemistry Equivalent weight.
Origin of equivalentMiddle English, from Late Latin aequivalēns, aequivalent-, present participle of aequivalēre, to have equal force : Latin aequi-, equi- + Latin valēre, to be strong; see wal- in Indo-European roots.
(comparative more equivalent, superlative most equivalent)
- Similar or identical in value, meaning or effect; virtually equal.
- (mathematics) Of two sets, having a one-to-one relationship.
- (mathematics) Relating to the corresponding elements of an equivalence relation.
- (chemistry) Having the equal ability to combine.
- (cartography) Of a map, equal-area.
- (geometry) Equal in measure but not admitting of superposition; applied to magnitudes.
- A square may be equivalent to a triangle.
- In mathematics, this adjective can be used in phrases like "A and B are equivalent", "A is equivalent to B", and, less commonly, "A is equivalent with B".
- Anything that is virtually equal to something else, or has the same value, force, etc.
- (chemistry) An equivalent weight.
(third-person singular simple present equivalents, present participle equivalenting, simple past and past participle equivalented)
- To make equivalent to; to equal.
equi- + -valent. From Latin aequivalentem, accusative singular of aequivalēns, present active participle of aequivaleō (“I am equivalent, have equal power”).