What is the meaning of watch glass?

noun

  • Laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker.
  • A protective cover that protects the face of a watch.
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). watch glass. Retrieved September 20, 2026, from http://smartdefine.org/watch_glass/definitions/1209545
ChicagoWordNet. 2010. "watch glass" http://smartdefine.org/watch_glass/definitions/1209545 (accessed September 20, 2026).
HarvardWordNet 2010, watch glass, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/watch_glass/definitions/1209545>.
MLAWordNet. "watch glass" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/watch_glass/definitions/1209545>