释义 |
dilatant, a. and n.|daɪˈleɪtənt, dɪ-| [ad. L. dīlātānt-em (or a. F. dilatant) pr. pple. of L. dīlātāre (F. dilater) to dilate: see -ant.] A. adj. Dilating, expanding; expansive.
1841Fraser's Mag. XXIII. 216 My mind had greatly the advantage of my body; this being small, mean, and unseemly, that capacious, lively, and dilatant. 1885O. Reynolds in Proc. Brit. Assoc. 897 When the dilatant material, such as shot or sand, is bounded by smooth surfaces, the layer of grains adjacent to the surface is in a condition differing from that of the grains within the mass. B. n. a. A substance having the property of dilating or expanding. b. A surgical instrument used for dilating, a dilatator. |