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airbrasive

[air-brey-siv, -ziv]Dentistry.
noun
  1. an instrument for cutting tooth structure by means of a stream of abrasive particles under gas or air pressure.
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adjective
  1. noting or pertaining to the technique of using this instrument.
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Origin of airbrasive

First recorded in 1940–45; air1 + (a)brasive
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018