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invert

[verb in-vurt; adjective, noun in-vurt]
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verb (used with object)
  1. to turn upside down.
  2. to reverse in position, order, direction, or relationship.
  3. to turn or change to the opposite or contrary, as in nature, bearing, or effect: to invert a process.
  4. to turn inward or back upon itself.
  5. to turn inside out.
  6. Chemistry. to subject to inversion.
  7. Music. to subject to musical inversion.
  8. Phonetics. to articulate as a retroflex vowel.
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verb (used without object)
  1. Chemistry. to become inverted.
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adjective
  1. Chemistry. subjected to inversion.
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noun
  1. a person or thing that is inverted.
  2. a homosexual.
  3. (in plumbing) that portion of the interior of a drain or sewer pipe where the liquid is deepest.
  4. an inverted arch or vault.
  5. Philately. a two-colored postage stamp with all or part of the central design printed upside down in relation to the inscription.
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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 formsin·vert·i·ble, adjectivein·vert·i·bil·i·ty, nounnon·in·vert·ed, adjectiveun·in·vert·ed, adjectiveun·in·vert·i·ble, adjective

Synonym study

2. See reverse.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for inverted

invert

verb (ɪnˈvɜːt)
  1. to turn or cause to turn upside down or inside out
  2. (tr) to reverse in effect, sequence, direction, etc
  3. (tr) phonetics
    1. to turn (the tip of the tongue) up and back
    2. to pronounce (a speech sound) by retroflexion
  4. logic to form the inverse of a categorial proposition
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noun (ˈɪnvɜːt)
  1. psychiatry
    1. a person who adopts the role of the opposite sex
    2. another word for homosexual
  2. architect
    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
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Derived Formsinvertible, adjectiveinvertibility, noun

Word Origin

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 inverted

invert

v.

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.

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Online Etymology Dictionary, © 2010 Douglas Harper

inverted in Medicine

invert

(ĭn-vûrt)
v.
  1. To turn inside out or upside down.
  2. To reverse the position, order, or condition of.
  3. To subject to inversion.
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n.
  1. Something inverted.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.