[in.ver.sion] n (1586) 1: a reversal of position, order, form, or relationship: as a (1): a change in normal word order; esp: the placement of a verb before its subject (2): the process or result of changing or reversing the relative positions of the notes of a musical interval, chord, or phrase b: the condition of being turned inward or inside out c: a breaking off of a chromosome section and its subsequent reattachment in inverted position; also: a chromosomal section that has undergone this process
2: the act or process of inverting 3 a: a change in the order of the terms of a mathematical proportion effected by inverting each ratio b: the operation of forming the inverse of a magnitude, a function, an operation, or an element
4. a: the conversion of dextrorotatory sucrose into a levorotatory mixture of glucose and fructose b: a change from one stereochemical figuration at a chiral center in a usu. organic molecule to the opposite configuration that is brought about by a reaction in which a substitution of one group is made for a different group
5: homosexuality
6: an increase of temperature with height through a layer of air