From The Collaborative International Dictionary of English v.0.48 [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 The Collaborative International Dictionary of English v.0.48 [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 WordNet (r) 3.0 (2006) [wn]:
adjective
1: reversed (turned backward) in order or nature or effect [syn: {inverse}, {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
1: something inverted in sequence or character or effect; "when the direct approach failed he tried the inverse" [syn: {inverse}, {opposite}]
Definitions retrieved from the Open Source DICT dictionary. Click here for database copyright information.