| 释义 |
graduator|ˈgrædjuːeɪtə(r)|
[f. graduate v. + -or.]
One who or that which graduates. a. One who graduates (see graduate v. 4) glasses, instruments, etc. b. An instrument for dividing any line, whether straight or curved, into small regular portions; a dividing-engine. c. A contrivance for concentrating a solution by means of rapid evaporation.
1828–32Webster, Graduator, an instrument for dividing any line, right or curve, into equal parts. 1839Ure Dict. Arts 618 These tubes serve to allow the air..to circulate freely through the graduator [in vinegar making]. 1898Daily News 24 Sept. 10/6 Glass Graduator (Medical) wanted. |