watch glass

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watch glass

n.
1. A shallow glass dish used as a beaker cover or evaporating surface.
2. A concavo-convex glass or plastic disk used to cover the face of a watch.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.watch glass - laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker
dish - a piece of dishware normally used as a container for holding or serving food; "we gave them a set of dishes for a wedding present"
2.watch glass - a protective cover that protects the face of a watch
protective cover, protective covering, protection - a covering that is intend to protect from damage or injury; "they had no protection from the fallout"; "wax provided protection for the floors"
watch, ticker - a small portable timepiece
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Some watch glasses have a measure of scratch repair.
The factory originally specialised in watch glasses, window glass, and glassware for taverns.
With small TLC plates, a number of small beakers with watch glasses (or small-sized bottles with caps) can be set up to avoid investing in small TLC developing chambers, which can be costly.