involution defined in 1951 yearinvolution - involution;
involution - (1) Production of abnormal bacteria, yeasts, etc., e.g. in old cultures. (2) (Atrophy). Decrease in size of an organ, opposite of hyperplasia and hypertrophy, e.g. of thymus and other lymphoid tissue after puberty.
near involution in Knolik
definition of word "involution" was readed 1137 times