con·trac·tion /kənˈtrækʃən/ 名詞
1. The act or process of contracting, shortening, or shrinking; the state of being contracted; as, contraction of the heart, of the pupil of the eye, or of a tendon; the contraction produced by cold.
2. Math. The process of shortening an operation.
3. The act of incurring or becoming subject to, as liabilities, obligation, debts, etc.; the process of becoming subject to; as, the contraction of a disease.
4. Something contracted or abbreviated, as a word or phrase; -- as, plenipo for plenipotentiary; crim. con. for criminal conversation, etc.
5. Gram. The shortening of a word, or of two words, by the omission of a letter or letters, or by reducing two or more vowels or syllables to one; as, ne'er for never; can't for can not; don't for do not; it's for it is.
6. A marriage contract. [Obs.]
n 1: (physiology) a shortening or tensing of a part or organ
(especially of a muscle or muscle fiber) [syn: muscular
contraction, muscle contraction]
2: the process or result of becoming smaller or pressed
together; "the contraction of a gas on cooling" [syn: compression,
3: a word formed from two or more words by omitting or
combining some sounds; "`won't' is a contraction of `will
not'"; "`o'clock' is a contraction of `of the clock'"
4: the act of decreasing (something) in size or volume or
quantity or scope [ant: expansion]