Inversion



[in-vur-zhuh n, -shuh n] /ɪnˈvɜr ʒən, -ʃən/

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.
7.
Chemistry.

8.
Music.

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 .
11.
Phonetics. (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 or the apparatus used in it:
inversion boots.
/ɪnˈvɜːʃən/
noun
1.
the act of inverting or state of being inverted
2.
something inverted, esp a reversal of order, mutual functions, etc: an inversion of their previous relationship
3.
(rhetoric) Also called anastrophe. the reversal of a normal order of words
4.
(chem)

5.
(music)

6.
(pathol) abnormal positioning of an organ or part, as in being upside down or turned inside out
7.
(psychiatry)

8.
(meteorol) an abnormal condition in which the layer of air next to the earth’s surface is cooler than an overlying layer
9.
(anatomy, phonetics) another word for retroflexion (sense 2)
10.
(computing) an operation by which each digit of a binary number is changed to the alternative digit, as 10110 to 01001
11.
(genetics) a type of chromosomal mutation in which a section of a chromosome, and hence the order of its genes, is reversed
12.
(logic) the process of deriving the inverse of a categorial proposition
13.
(maths) a transformation that takes a point P to a point P′ such that OP·OP′ = a², where a is a constant and P and P′ lie on a straight line through a fixed point O and on the same side of it
n.

1550s, from Latin inversionem (nominative inversio) “an inversion,” noun of action from past participle stem of invertere (see invert).

inversion in·ver·sion (ĭn-vûr’zhən, -shən)
n.

inversion
(ĭn-vûr’zhən)
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.

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    noun, Metallurgy. 1. casting from an electric furnace inverted over the mold. 2. a process of casting, used especially for small statuary or the like, in which the mold is inverted after the outer surfaces have hardened so as to drain off the molten metal at the center.

  • Inversion-center

    noun, Crystallography. 1. . noun, Crystallography. 1. a point within a crystal through which any straight line extends to points on opposite surfaces of the crystal at equal distances.



  • Inversion-layer

    noun 1. a layer of the atmosphere in which there is a temperature inversion, with the layer tending to prevent the air below it from rising, thus trapping any pollutants that are present.

  • Inversion of uterus

    inversion of uterus n. A turning of the uterus inside out, usually following childbirth.



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