involution, enfolding
(noun) the action of enfolding something
exponentiation, involution
(noun) the process of raising a quantity to some assigned power
engagement, participation, involvement, involution
(noun) the act of sharing in the activities of a group; “the teacher tried to increase his students’ engagement in class activities”
elaborateness, elaboration, intricacy, involution
(noun) marked by elaborately complex detail
involution
(noun) a long and intricate and complicated grammatical construction
involution
(noun) reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth)
Source: WordNet® 3.1
involution (countable and uncountable, plural involutions)
Entanglement; a spiralling inwards; intricacy.
A complicated grammatical construction.
(mathematics) An endofunction whose square is equal to the identity function; a function equal to its inverse.
Hyponyms: complex conjugation, complementation
(medicine) The shrinking of an organ (such as the uterus) to a former size.
(physiology) The regressive changes in the body occurring with old age.
(mathematics, obsolete) A power: the result of raising one number to the power of another.
Source: Wiktionary
In`vo*lu"tion, n. Etym: [L. involutio: cf. F. involution. See Involve.]
1. The act of involving or infolding.
2. The state of being entangled or involved; complication; entanglement. All things are mixed, and causes blended, by mutual involutions. Glanvill.
3. That in which anything is involved, folded, or wrapped; envelope. Sir T. Browne.
4. (Gram.)
Definition: The insertion of one or more clauses between the subject and the verb, in a way that involves or complicates the construction.
5. (Math.)
Definition: The act or process of raising a quantity to any power assigned; the multiplication of a quantity into itself a given number of times;
– the reverse of evolution.
6. (Geom.)
Definition: The relation which exists between three or more sets of points, a.a', b.b', c.c', so related to a point O on the line, that the product Oa.Oa' = Ob.Ob' = Oc.Oc' is constant. Sets of lines or surfaces possessing corresponding properties may be in involution.
7. (Med.)
Definition: The return of an enlarged part or organ to its normal size, as of the uterus after pregnancy.
Source: Webster’s Unabridged Dictionary 1913 Edition
4 April 2025
(verb) kill by cutting the head off with a guillotine; “The French guillotined many Vietnamese while they occupied the country”
International Coffee Day (September 29) is an occasion to promote and celebrate coffee as a beverage, with events occurring in places across the world. A day to promote fair trade coffee and raise awareness for the coffee growers’ plight. Other countries celebrate this event on October 1.
