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⇱ involution - WordReference.com Dictionary of English

involution

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌɪnvəˈluːʃən/US:USA pronunciation: respellingUSA pronunciation: respelling(in′və lo̅o̅′shən)


WordReference Random House Unabridged Dictionary of American English © 2026
in•vo•lu•tion  (in′və lo̅o̅′shən),USA pronunciation n. 
  1. an act or instance of involving or entangling;
    involvement.
  2. the state of being involved.
  3. something complicated.
  4. Zoology[Bot., Zool.]
    • Botanya rolling up or folding in upon itself.
    • Botanya part so formed.
  5. Developmental Biology[Biol.]retrograde development;
    degeneration.
  6. Physiologythe regressive changes in the body occurring with old age.
  7. Grammara complex construction in which the subject is separated from its predicate by intervening clauses or phrases.
  8. Mathematicsa function that is its own inverse.
  • Medieval Latin involūtiōn- (stem of involūtiō). See involute, -ion
  • 1605–15

Collins Concise English Dictionary © HarperCollins Publishers::
involution /ˌɪnvəˈluːʃən/ n
  1. the act of involving or complicating or the state of being involved or complicated
  2. something involved or complicated
  3. degeneration or structural deformation
  4. an involute formation or structure
  5. reduction in size of an organ or part, as of the uterus following childbirth or as a result of ageing
  6. an algebraic operation in which a number, variable, expression, etc, is raised to a specified power
    Compare evolution
ˌinvoˈlutional adj
'involution' also found in these entries (note: many are not synonyms or translations):
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