Meaning of INVOLUTION in English

INVOLUTION

transcription, транскрипция: [ ˌin-və-ˈlü-shən ]

noun

Etymology: Latin involution-, involutio, from involvere

Date: circa 1611

1.

a.

(1) : the act or an instance of enfolding or entangling : involvement

(2) : an involved grammatical construction usually characterized by the insertion of clauses between the subject and predicate

b. : complexity , intricacy

2. : exponentiation

3.

a. : an inward curvature or penetration

b. : the formation of a gastrula by ingrowth of cells formed at the dorsal lip

4. : a shrinking or return to a former size

5. : the regressive alterations of a body or its parts characteristic of the aging process

skeletal involution due to loss of estrogens at menopause

• in·vo·lu·tion·al -shnəl, -shə-n ə l adjective

Merriam-Webster's Collegiate English vocabulary.      Энциклопедический словарь английского языка Merriam Webster.