inversion (Noun) — The layer of air near the earth is cooler than an overlying layer.
inversion (Noun) — 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 (Noun) — A chemical process in which the direction of optical rotation of a substance is reversed from dextrorotatory to levorotary or vice versa.
inversion (Noun) — (genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed.
inversion (Noun) — The reversal of the normal order of words.
inversion (Noun) — (counterpoint) a variation of a melody or part in which ascending intervals are replaced by descending intervals and vice versa.
inversion (Noun) — A term formerly used to mean taking on the gender role of the opposite sex.
inversion (Noun) — Turning upside down; setting on end.
inversion (Noun) — The act of turning inside out.