| 释义 |
attractant|əˈtræktənt|
[f. attract v. + -ant1.]
That which attracts; a substance used to attract.
1926Jrnl. Econ. Entomology XIX. 546 It soon became evident that if the fundamentals of ‘attractants’ and repellents were to be studied, special apparatus for measuring or recording the responses of insects of these substances must be developed. 1953Brit. Commonw. Forest Terminol. i. 14 Attractant, a substance attractive to insects, rodents, etc., used in population surveys or in control traps or baits. 1955Sci. Amer. Aug. 76/3 It is neither an attractant nor a repellent to unconditioned salmon. 1959Times 9 Jan. 13/2 The attractive scents of female butterflies are produced by scattered gland cells... Other examples are the sexual attractants of cockroaches. |