watch glass

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Related to Watchglasses: Wire gauze

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.
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
References in periodicals archive ?
The watchglasses were placed in a chamber designed to eliminate background light and then irradiated for a specific period of time with either a Hanovia medium pressure mercury vapour lamp and/or GE sunlamp.