Complete Definition of "inversion"

see|inversión

English
wikipedia
rfc|music definition needs rewriting because the current one is copyrighted

Pronunciation
Rhymes: Rhymes:English:-��(r)��n|-��(r)��n

Noun
en-noun

  1. music The move of one pitch in an interval or chord up or down an octave
  2. music The reversal of an interval
  3. music The reversal of the pitch contour
  4. music The reversal of a pitch class succesion such as a melody or counterpoint|contrapuntal line
  5. music Subtraction of pitch classes in a set from twelve which maps intervals onto their complements with respect to 0 and preserves interval classes, symbolized IX where X is the transposition which is inverted (DeLone? et. al. (Eds.), 1975, chap. 6).
  6. genetics a segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome
  7. (Weather). An increase of air temperature with increase in altitude (the ground being colder than the surrounding air). When an inversion exists, there are no convection currents and wind speeds are below 5 knots. The atmosphere is stable and normally is considered the most favorable state for ground release of chemical agents.
  8. grammar deviation|Deviation from standard word order by putting the predicate before the subject. It takes place in questions with auxiliary verbs and in normal, affirmative clauses beginning with a negative particle, for the purpose of emphasis.

#:(with an auxiliary verb) Inversion takes place in the sentence 'Is she here?' — 'is', the predicate, is before 'she', the subject.
#:(for the purpose of emphasis) Inversion takes place in the sentence 'Never have I done that.' — 'have', the predicate, is before 'I', the subject, due to 'never' being the first word of the sentence.

Related terms
twelve tone technique
serialism

Derived terms
pericentric inversion
paracentric inversion

Translations
trans-top|Deviation from standard word order by putting the predicate before the subject, in questions with auxiliary verbs and for the purpose of emphasis
Finnish: käänteinen sanajärjestys
trans-mid
trans-bottom

References
music DeLone? et. al. (Eds.) (1975). Aspects of Twentieth-Century Music. Englewood Cliffs, New Jersey: Prentice-Hall. ISBN 0130493465, Ch. 6.
genetics Lars Feuk, Andrew R. Carson and Stephen W. Scherer (February 2006). "Structural variation in the human genome," Nature, 7:85.
genetics Freeman et al., "Copy number variation: New insights into genome diversity" Genome Res 2006; 16: 949-61. — "DNA copy number variation has long been associated with specific chromosomal rearrangements and genomic disorders, but its ubiquity in mammalian genomes was not fully realized until recently. Although our understanding of the extent of this variation is still developing, it seems likely that, at least in humans, copy number variants (CNVs) account for a substantial amount of genetic variation."

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