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From The Collaborative International Dictionary of English v.0.44 [gcide]:
Inverse \In"verse\, noun That which is inverse.
Thus the course of human study is the inverse of the course of things in nature. --Tatham.
From The Collaborative International Dictionary of English v.0.44 [gcide]:
Inverse \In*verse"\, adjective [L. inversus, p. p. of invertere: cf. F. inverse. See {Invert}.]
1. Opposite in order, relation, or effect; reversed; inverted; reciprocal; -- opposed to {direct}.
2. (Bot.) Inverted; having a position or mode of attachment the reverse of that which is usual.
3. (Math.) Opposite in nature and effect; -- said with reference to any two operations, which, when both are performed in succession upon any quantity, reproduce that quantity; as, multiplication is the inverse operation to division. The symbol of an inverse operation is the symbol of the direct operation with -1 as an index. Thus sin-1 x means the arc or angle whose sine is x.
{Inverse figures} (Geom.), two figures, such that each point of either figure is inverse to a corresponding point in the order figure.
{Inverse points} (Geom.), two points lying on a line drawn from the center of a fixed circle or sphere, and so related that the product of their distances from the center of the circle or sphere is equal to the square of the radius.
{Inverse ratio}, or {Reciprocal ratio} (Math.), the ratio of the reciprocals of two quantities.
{Inverse proportion}, or {Reciprocal proportion}, an equality between a direct ratio and a reciprocal ratio; thus, 4 : 2 : : 1/3 : 1/6, or 4 : 2 : : 3 : 6, inversely.
From WordNet (r) 2.0 [wn]:
inverse
adjective
1: reversed (turned backward) in order or nature or effect [syn: {reverse}]
2: opposite in nature or effect or relation to another quantity ; "a term is in inverse proportion to another term if it increases (or decreases) as the other decreases (or increases)" [ant: {direct}]
noun: something inverted in sequence or character or effect; "when the direct approach failed he tried the inverse" [syn: {opposite}]
From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:
79 Moby Thesaurus words for "inverse": adversative, adverse, adversive, antagonistic, anti, antipathetic, antipodal, antipode, antipodes, antipole, antithesis, antithetic, antonym, antonymous, at cross-purposes, balancing, change, clashing, compensating, conflicting, confronting, contra, contradictory, contradistinct, contrapositive, contrarious, contrary, contrasted, converse, counter, counterbalance, counterbalancing, countercheck, counterpoint, counterpoise, counterpoised, counterpole, counterterm, countervailing, dead against, discordant, discrepant, eyeball to eyeball, eyeball-to-eyeball, facing, foil, heads, hostile, inconsistent, inimical, invert, obverse, offset, opposed, opposing, opposite, opposite number, opposite side, oppositional, oppositive, oppugnant, other face, other side, perverse, polar, polaric, polarized, repugnant, reverse, revert, setoff, squared off, tails, the contrary, the other side, transplace, transpose, turn, vis-a-vis
From The Free On-line Dictionary of Computing (27 SEP 03) [foldoc]:
inverse Given a {function}, f : D -> C, a function g : C -> D is called a left inverse for f if for all d in D, g (f d) = d and a right inverse if, for all c in C, f (g c) = c and an inverse if both conditions hold. Only an {injection} has a left inverse, only a {surjection} has a right inverse and only a {bijection} has inverses. The inverse of f is often written as f with a -1 superscript. (1996-03-12)
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