| Definitions | | inversion |
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nounÂ
- (music) The move of one pitch in an interval or chord up or down an octave
- (music) The reversal of an interval
- (music) The reversal of the pitch contour
- (music) The reversal of a pitch class succesion such as a melody or counterpoint, contrapuntal line
- (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).
- (genetics) a segment of DNA in the context of a chromosome that is reversed in orientation relative to a reference karyotype or genome
- (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.
- (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.
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     Full Definition of inversion
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