| 单词 | inversion |
| 释义 | Word Frequency inversion(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. Also called: anastrophe rhetoric the reversal of a normal order of words 4. chemistry a. the conversion of a dextrorotatory solution of sucrose into a laevorotatory solution of glucose and fructose by hydrolysis b. any similar reaction in which the optical properties of the reactants are opposite to those of the products 5. music a. the process or result of transposing the notes of a chord (esp a triad) such that the root, originally in the bass, is placed in an upper part. When the bass note is the third of the triad, the resulting chord is the first inversion; when it is the fifth, the resulting chord is the second inversion See also root position b. (in counterpoint) the modification of a melody or part in which all ascending intervals are replaced by corresponding descending intervals and vice versa c. the modification of an interval in which the higher note becomes the lower or the lower one the higher complement (sense 8)6. pathology abnormal positioning of an organ or part, as in being upside down or turned inside out 7. psychiatry a. the adoption of the role or characteristics of the opposite sex b. an old-fashioned word for homosexuality 8. meteorology 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. mathematics 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 Derived forms inversive (inˈversive) adjective |
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