| 单词 | airbrasive |
| 释义 | airbrasive in American English (ˈɛrˌbreɪsɪv) US noun a method of removing deposits from the teeth, or rarely, of preparing teeth for filling, by wearing down the surface with an abrasive substance blown by a jet of air airbrasive in American English (ˈɛərˌbreisɪv, -zɪv) Dentistry noun 1. an instrument for cutting tooth structure by means of a stream of abrasive particles under gas or air pressure adjective 2. noting or pertaining to the technique of using this instrument Word origin [1940–45; air1 + (a)brasive]This word is first recorded in the period 1940–45. Other words that entered Englishat around the same time include: airlift, redline, sealant, update, whiteout |
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