n a function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x
n the layer of air near the earth is cooler than an overlying layer
n 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)
n a chemical process in which the direction of optical rotation of a substance is reversed from dextrorotatory to levorotary or vice versa
n (genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed
n the reversal of the normal order of words
n (counterpoint) a variation of a melody or part in which ascending intervals are replaced by descending intervals and vice versa
n a term formerly used to mean taking on the gender role of the opposite sex