inversion -- (the layer of air near the earth is cooler than an overlying layer)
inversion -- (abnormal condition in which an organ is turned inward or inside out (as when the upper part of the uterus is pulled into the cervical canal after childbirth))
inversion -- (a chemical process in which the direction of optical rotation of a substance is reversed from dextrorotatory to levorotary or vice versa)
inversion -- ((genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed)
anastrophe, inversion -- (the reversal of the normal order of words)
inversion -- ((counterpoint) a variation of a melody or part in which ascending intervals are replaced by descending intervals and vice versa)
inversion, sexual inversion -- (a term formerly used to mean taking on the gender role of the opposite sex)
inversion, upending -- (turning upside down; setting on end)
inversion, eversion, everting -- (the act of turning inside out)