| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024ac•e•tate /ˈæsɪˌteɪt/USA pronunciation n. [uncountable]- Chemistry, Textilesa synthetic material used to make cloth.
WordReference Random House Unabridged Dictionary of American English © 2024ac•e•tate (as′i tāt′),USA pronunciation n. - Chemistrya salt or ester of acetic acid.
- Chemistry, TextilesAlso called ac′etate ray′on. a synthetic filament, yarn, or fabric composed of a derivative of the acetic ester of cellulose, differing from viscose rayon in having greater strength when wet and greater sensitivity to high temperatures.
- Fine Arta sheet of clear plastic film fastened over the front of artwork for protection, as an overlay, or the like.
- Cinemaa slow-burning base material, cellulose triacetate, used for motion-picture film to minimize fire hazard during projection, and also for animation cells.
Collins Concise English Dictionary © HarperCollins Publishers:: acetate /ˈæsɪˌteɪt/ n - any salt or ester of acetic acid, containing the monovalent ion CH3COO– or the group CH3COO-
Systematic name: ethanoate - short for acetate rayon, cellulose acetate
- a sound recording disc composed of an acetate lacquer coating on an aluminium or plastic base: used for demonstration or other short-term purposes
Etymology: 19th Century: from acetic + -ate1 |