| 释义 |
odorant, a. and n.|ˈəʊdərənt|
[a. F. odorant (15–16th c. in Godef.), ad. L. odōrānt-em, pr. pple. of odōrāre to perfume.]
A. adj. That emits a scent: = odorous, odoriferous. Now rare.
a1465MS. Bodl. 423 lf. 204 Disposed plentuously..With odoraunt odoure ful copiously. 1494Fabyan Chron. vii. 239 The welle of bountie, that Flowre most odorande, By whose humylytie, man firste comforte fande. 1601Holland Pliny II. 33 The tast..of Parsly, Dill, and Fennell, sharpe, and yet odorant withall. 1791tr. Chaptal's Elem. Chem. (1800) III. 42 The aroma..may be again restored by re-distilling it with the odorant plant which originally afforded it. 1872J. H. Ingraham Pillar of Fire 169 At night, the odorant forests echo with the dread roar of fierce monsters.
B. n. Also odourant. An odoriferous substance; spec. one used to impart a desired odour to a product. Also attrib.
1944R. W. Moncrieff Chemical Senses viii. 166 Reactions to odorants are usually mild and undefined, a sniff, a drawing away, or..disgust. 1952Kirk & Othmer Encycl. Chem. Technol. VIII. 142 Biacetyl has been used as an odorant for butter, cream, milk, margarine.., cheese, coffee, confectionery.., ice cream mixes, and tobacco. 1971Nature 24 Sept. 231/1 Theories of olfaction are thus legion; all attempt to answer the central question as to what properties of the odourant molecules are responsible for the wide variety of odour quality. 1972Materials & Technol. V. xiv. 526 In microcellular soling mixes,..odorants which confer the odour of leather to the soles are frequently incorporated. |