# invert
## English
### Pronunciation

* (verb):
** (Received Pronunciation) IPA: /ɪnˈvɜːt/
** (General American) enPR: ĭn-vərtʹ, IPA: /ɪnˈvɜɹt/
** Audio (Canada):(file)
** Rhymes: -ɜː(ɹ)t
* (noun):
** (Received Pronunciation) IPA: /ˈɪn.vət/
** (General American) enPR: ĭnʹvərt, IPA: /ˈɪn.vəɹt/
** Rhymes: -ɪnvə(ɹ)t
** Audio (US):(file)
* Hyphenation: in‧vert

### Etymology 1

From Middle French invertir.

#### Verb

invert (third-person singular simple present inverts, present participle inverting, simple past and past participle inverted)
* (transitive) To turn (something) upside down or inside out; to place in a contrary order or direction.
    to invert a cup, the order of words, rules of justice, etc.
** c. 1602, William Shakespeare, “The Tragedie of Troylus and Cressida”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, [Act V, scene ii]:That doth invert the attest of eyes and ears, / As if these organs had deceptious functions.
** 1781 (date written), William Cowper, “Table Talk”, in Poems, London: […] J[oseph] Johnson, […], published 1782, →OCLC, page 4:Seldom, alas! the power of logic reigns / With much ſufficiency in royal brains. / Such reaſ'ning falls like an inverted cone, / Wanting its proper baſe to ſtand upon.
* (transitive, music) To move (the root note of a chord) up or down an octave, resulting in a change in pitch.
* (chemistry, intransitive) To undergo inversion, as sugar.
* To divert; to convert to a wrong use.
** 1603, Richard Knolles, The Generall Historie of the Turkes, […], London: […] Adam Islip, →OCLC:[H]e had miſgouerned the ſtate, inuerted his treaſures to his owne priuat […]
* (anatomy) To turn (the foot) inwards.

##### Derived terms

* invert sugar
* invertasome
* inverted
* invertible

##### Related terms

* inversion

##### See also

* convert

#### Noun

invert (plural inverts)
* (architecture) An inverted arch (as in a sewer).
* The base of a tunnel on which the road or railway may be laid and used when construction is through unstable ground. It may be flat or form a continuous curve with the tunnel arch.
* (civil engineering) The lowest point inside a pipe at a certain point.
* (civil engineering) An elevation of a pipe at a certain point along the pipe.
* A skateboarding trick where the skater grabs the board and plants a hand on the coping so as to balance upside-down on the lip of a ramp.
* (obsolete, psychology) A homosexual person, in terms of the sexual inversion theory.
** 1897, W. Havelock Ellis, Sexual Inversion, page 202:We can seldom, therefore, congratulate ourselves on the success of any "cure" of inversion. The success is unlikely to be either permanent or complete, in the case of a decided invert; and in the most successful cases we have simply put into the invert's hands a power of reproduction which it is undesirable he should possess.
* (Internet slang, conspiracy theories) Of a person, assumed to be transgender, in terms of transvestigation. [from 2010s]

##### Derived terms

* Jenny invert

##### Translations
#### Adjective

invert (not comparable)
* (chemistry) Subjected to the process of inversion; inverted; converted.
    invert sugar

### Etymology 2
#### Noun

invert (plural inverts)
* (zoology, informal) An invertebrate.

### References

* ↑ invert (in'‑vert) The floor or bottom of the internal cross section of a closed conduit, such as an aqueduct, tunnel, or drain - The term originally referred to the inverted arch used to form the bottom of a masonry‑lined sewer or tunnel (Jackson, 1997) Wilson, W.E., Moore, J.E., (2003) Glossary of Hydrology, Berlin: Springer

### Anagrams

* Vinter, ventri-, virent