Hypertext Webster Gateway: "equivalent"

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Equivalent \E*quiv"a*lent\, n.
1. Something equivalent; that which is equal in value, worth,
weight, or force; as, to offer an equivalent for damage

He owned that, if the Test Act were repealed, the
Protestants were entitled to some equivalent. . . .
During some weeks the word equivalent, then lately
imported from France, was in the mouths of all the
coffeehouse. --Macaulay.

2. (Chem.) 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; as, the equivalents of hydrogen
and oxygen in water are respectively 1 and 8, and in
hydric dioxide 1 and 16.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Equivalent \E*quiv"a*lent\, a. [L. aequivalens, -entis, p. pr.
of aequivalere to have equal power; aequus equal + valere to
be strong, be worth: cf. F. ['e]quivalent. See {Equal}, and
1. Equal in wortir or value, force, power, effect, import,
and the like; alike in significance and value; of the same
import or meaning.

For now to serve and to minister, servile and
ministerial, are terms equivalent. --South.

2. (Geom.) Equal in measure but not admitting of
superposition; -- applied to magnitudes; as, a square may
be equivalent to a triangle.

From Webster's Revised Unabridged Dictionary (1913) (web1913)

Equivalent \E*quiv"a*lent\, v. t.
To make the equivalent to; to equal; equivalence. [R.]

From WordNet (r) 1.7 (wn)

adj 1: equal in amount or value; "like amounts"; "equivalent
amounts"; "the same amount"; "gave one six blows and
the other a like number"; "an equal number"; "the same
number" [syn: {like}, {equal}, {same}] [ant: {unlike}]
2: essentially equal; "women are paid less than men doing
equivalent work"
3: being essentially equal to something; "it was as good as
gold"; "a wish that was equivalent to a command"; "his
statement was tantamount to an admission of guilt" [syn: {as
good as(p)}, {equivalent(p)}, {tantamount(p)}]
n 1: a person or thing equal to another in value or measure or
force or effect or significance etc: "send two dollars
or the equivalent in stamps"
2: 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 [syn: {equivalent weight}, {combining
weight}, {eq}]

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