Nearby words

  1. inversion layer,
  2. inversion of uterus,
  3. inversion therapy,
  4. inversion, thermal,
  5. inversive,
  6. invert soap,
  7. invert sugar,
  8. invertase,
  9. invertebrate,
  10. invertebrates

Origin of invert

1525–35; < Latin invertere to turn upside down or inside out, equivalent to in- in-2 + vertere to turn; see verse

Related forms

Synonym study

2. See reverse. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for invertibility


verb (ɪnˈvɜːt)

to turn or cause to turn upside down or inside out
(tr) to reverse in effect, sequence, direction, etc
(tr) phonetics
  1. to turn (the tip of the tongue) up and back
  2. to pronounce (a speech sound) by retroflexion
logic to form the inverse of a categorial proposition

noun (ˈɪnvɜːt)

  1. a person who adopts the role of the opposite sex
  2. another word for homosexual
  1. the lower inner surface of a drain, sewer, etcCompare soffit (def. 2)
  2. an arch that is concave upwards, esp one used in foundations
Derived Formsinvertible, adjectiveinvertibility, noun

Word Origin for invert

C16: from Latin invertere, from in- ² + vertere to turn

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for invertibility



1530s, from Middle French invertir or directly from Latin invertere "turn upside down, turn about," from in- "in, on" (see in- (2)) + vertere "to turn" (see versus). Related: Inverted; inverting; invertedly.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for invertibility


[ ĭn-vûrt ]


To turn inside out or upside down.
To reverse the position, order, or condition of.
To subject to inversion.


Something inverted.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.