bn:00080555n
Noun Concept
Categories: Laboratory glassware
EN
watch glass
EN
Laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker WordNet 3.0
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EN
Laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker WordNet 3.0 & Open English WordNet
A watch glass is a circular concave piece of glass used in chemistry as a surface to evaporate a liquid, to hold solids while being weighed, for heating a small amount of substance, and as a cover for a beaker. Wikipedia
Piece of labratory glassware Wikidata
An item of glass laboratory equipment consisting of a simple, slightly concave circle of glass. It is a general utility item, used to hold small samples, to evaporate liquids, to cover a beaker, and so on. Wiktionary
Laboratory equipment. Wiktionary (translation)
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