watch glass
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English[edit]
Noun[edit]
watch glass (plural watch glasses)
- (chemistry) 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.
- The glass covering of the face of a watch.
- A sandglass.
Translations[edit]
laboratory equipment
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Further reading[edit]
- watch glass on Wikipedia.Wikipedia