from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Equal, as in value, force, or meaning.
- adj. Having similar or identical effects.
- adj. Being essentially equal, all things considered: a wish that was equivalent to a command.
- adj. Mathematics Capable of being put into a one-to-one relationship. Used of two sets.
- adj. Mathematics Having virtually identical or corresponding parts.
- adj. Mathematics Of or relating to corresponding elements under an equivalence relation.
- adj. Chemistry Having the same ability to combine.
- adj. Logic Having equivalence: equivalent propositions.
- n. Something that is essentially equal to another: "Prejudicing vital foreign policy considerations in order to rescue individuals finds its domestic equivalent in the inflated awards paid to ... accident and malpractice victims” ( Moorhead Kennedy).
- n. Chemistry Equivalent weight.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Similar or identical in value, meaning or effect; virtually equal.
- adj. Of two sets, having a one-to-one relationship.
- adj. Relating to the corresponding elements of an equivalence relation.
- adj. Having the equal ability to combine.
- adj. Of a map, equal-area.
- n. Anything that is virtually equal to another.
- n. An equivalent weight.
- v. To make equivalent to; to equal.
from the GNU version of the Collaborative International Dictionary of English
- adj. Equal in worth or value, force, power, effect, import, and the like; alike in significance and value; of the same import or meaning.
- adj. Equal in measure but not admitting of superposition; -- applied to magnitudes.
- adj. Contemporaneous in origin.
- n. Something equivalent; that which is equal in value, worth, weight, or force.
- n. That comparative quantity by weight of an element which possesses the same chemical value as other elements, as determined by actual experiment and reference to the same standard. Specifically: (a) The comparative proportions by which one element replaces another in any particular compound; thus, as zinc replaces hydrogen in hydrochloric acid, their equivalents are 32.5 and 1. (b) The combining proportion by weight of a substance, or the number expressing this proportion, in any particular compound.
- n. A combining unit, whether an atom, a radical, or a molecule.
- transitive v. To make the equivalent to; to equal; equivalence.
from The Century Dictionary and Cyclopedia
- Equal in value, force, measure, power, effect, import, or meaning; correspondent; agreeing; tantamount: as, circumstantial evidence may be almost equivalent to full proof.
- In geology, contemporaneous in origin; corresponding in position in the scale of rocks: as, the equivalent strata of different countries. See II., 2.
- In geometry, having equal areas or equal dimensions: said of surfaces or magnitudes.
- In biology, having the same morphic valence; homologous in structure.
- n. That which is equal in value, measure, power, force, import, or meaning, to something else; something that corresponds, balances, compensates, etc.
- n. In geology, a stratum or series of strata in one district formed contemporaneously with a stratum or series of a different lithological character in a different region, or occupying the same relative position in the scale of rocks, and agreeing in the character of its fossils if deposited under similar circumstances: thus, the Caen building-stone of France is the equivalent of the English Bath oölite.
- To produce or constitute an equivalent to; answer in full proportion; equal or equalize.
- In geometry: Said of two polygons if they can be cut into a finite number of triangles congruent in pairs.
- In chem., applied to the respective quantities of different substances which are capable of replacing each other in combination with a fixed quantity of some particular substance. These mutually replaceable quantities of such substances are said to be equivalent to each other. See equiralence. 2.
- n. See equivalence, 2.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. 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
- adj. being essentially equal to something
- n. a person or thing equal to another in value or measure or force or effect or significance etc
Middle English, from Late Latin aequivalēns, aequivalent-, present participle of aequivalēre, to have equal force : Latin aequi-, equi- + Latin valēre, to be strong.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin aequivalentem, accusative singular of aequivalēns, present active participle of aequivaleō ("I am equivalent, have equal power"). (Wiktionary)