Definition of involution
1a (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 predicateb : complexity, intricacy
2 : exponentiation
3a : an inward curvature or penetrationb : 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
From the M-W Editors
Examples of involution in a Sentence
the involution of the thriller's plot made it hard to follow
Recent Examples of involution from the Web
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The entire process is known as involution of the uterus.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'involution'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of involution
Latin involution-, involutio, from involvere
Medical Dictionary
involution
playMedical Definition of involution
1a: an inward curvature or penetrationb: the formation of a gastrula by ingrowth of cells formed at the dorsal lip
2: a shrinking or return to a former size involution of the uterus after pregnancy
3: the regressive alterations of a body or its parts characteristic of the aging process; specifically : decline marked by a decrease of bodily vigor and in women by menopause
Learn More about involution
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See words that rhyme with involution Thesaurus: All synonyms and antonyms for involution Britannica.com: Encyclopedia article about involution
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