Inversion - Definitions from Dictionary.com

5 results for: Inversion

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

in·ver·sion

Audio Help [in-vur-zhuh

n, -shuh

n] Pronunciation Key

–noun

1.	an act or instance of inverting.

2.	the state of being inverted.

3.	anything that is inverted.

4.	Rhetoric. reversal of the usual or natural order of words; anastrophe.

5.	Grammar. any change from a basic word order or syntactic sequence, as in the placement of a subject after an auxiliary verb in a question or after the verb in an exclamation, as “When will you go?” and “How beautiful is the rose!”

6.	Anatomy, Pathology. the turning inward of a part, as the foot.

Chemistry.

a.	a hydrolysis of certain carbohydrates, as cane sugar, that results in a reversal of direction of the rotatory power of the carbohydrate solution, the plane of polarized light being bent from right to left or vice versa.

b.	a reaction in which a starting material of one optical configuration forms a product of the opposite configuration.

Music.

a.	the process or result of transposing the tones of an interval or chord so that the original bass becomes an upper voice.

b.	(in counterpoint) the transposition of the upper voice part below the lower, and vice versa.

c.	presentation of a melody in contrary motion to its original form.

9.	Psychiatry. assumption of the sexual role of the opposite sex; homosexuality.

10.	Genetics. a type of chromosomal aberration in which the position of a segment of the chromosome is changed in such a way that the linear order of the genes is reversed. Compare chromosomal aberration.

11.	Phonetics. retroflexion (def. 3).

12.	Also called atmospheric inversion, temperature inversion. Meteorology. a reversal in the normal temperature lapse rate, the temperature rising with increased elevation instead of falling.

13.	Electricity. a converting of direct current into alternating current.

14.	Mathematics. the operation of forming the inverse of a point, curve, function, etc.

–adjective

15.	pertaining to or associated with inversion therapy or the apparatus used in it: inversion boots.

[Origin: 1545–55; < L inversiōn- (s. of inversiō) a turning in. See inverse, -ion

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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Encyclopædia Britannica, Inc.
Inversion

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American Heritage Dictionary - Cite This Source - Share This

in·ver·sion Audio Help (ĭn-vûr'zhən, -shən) Pronunciation Key
n.

1. The act of inverting.
2. The state of being inverted.
3. A rearrangement of tones in which the upper and lower voices of a melody are transposed, as in counterpoint.
4. A rearrangement of tones in which each interval in a single melody is applied in the opposite direction.
5. A rearrangement of tones in which the notes of a chord are rearranged such that the bass has a different pitch.
6. The taking on of the gender role of the opposite sex.
7. In the theory of Sigmund Freud, homosexuality. No longer in scientific use.
An interchange of position of adjacent objects in a sequence, especially a change in normal word order, such as the placement of a verb before its subject.
Music
1. A rearrangement of tones in which the upper and lower voices of a melody are transposed, as in counterpoint.
2. A rearrangement of tones in which each interval in a single melody is applied in the opposite direction.
3. A rearrangement of tones in which the notes of a chord are rearranged such that the bass has a different pitch.
4. The taking on of the gender role of the opposite sex.
5. In the theory of Sigmund Freud, homosexuality. No longer in scientific use.
Psychology
1. The taking on of the gender role of the opposite sex.
2. In the theory of Sigmund Freud, homosexuality. No longer in scientific use.
Chemistry Conversion of a substance in which the direction of optical rotation is reversed, from the dextrorotatory to the levorotatory or from the levorotatory to the dextrorotatory form.
Meteorology An atmospheric condition in which the air temperature rises with increasing altitude, holding surface air down and preventing dispersion of pollutants.
Genetics A chromosomal defect in which a segment of the chromosome breaks off and reattaches in the reverse direction.

[Latin inversiō, inversiōn-, from inversus, past participle of invertere, to invert; see invert.]

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WordNet - Cite This Source - Share This

inversion
noun
1.	the layer of air near the earth is cooler than an overlying layer
2.	abnormal condition in which an organ is turned inward or inside out (as when the upper part of the uterus is pulled into the cervical canal after childbirth)
3.	a chemical process in which the direction of optical rotation of a substance is reversed from dextrorotatory to levorotary or vice versa
4.	(genetics) a kind of mutation in which the order of the genes in a section of a chromosome is reversed
5.	the reversal of the normal order of words [syn: anastrophe]
6.	(counterpoint) a variation of a melody or part in which ascending intervals are replaced by descending intervals and vice versa
7.	a term formerly used to mean taking on the gender role of the opposite sex
8.	turning upside down; setting on end
9.	the act of turning inside out

The American Heritage Science Dictionary - Cite This Source - Share This

inversion Audio Help (ĭn-vûr'zhən) Pronunciation Key
A departure from the normal effect of altitude on a meteorological property, especially an atmospheric condition in which the air temperature rises with increasing altitude. ◇ A layer of air that is warmer than the air below it is called an inversion layer. Such a layer traps the surface air in place and prevents dispersion of any pollutants it contains.