INVOLUTION


Meaning of INVOLUTION in English

■ noun

1》 Physiology the shrinkage of an organ in old age or when inactive.

2》 Mathematics a function, transformation, or operator that is equal to its inverse.

3》 formal the process or state of complication.

Derivatives

~al adjective

Origin

ME (in the sense '(part) curling inwards'): from L. involutio(n-) , from involvere (see involve ).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.