watch glass
English
editNoun
editwatch 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
editlaboratory equipment
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Further reading
edit- watch glass on Wikipedia.Wikipedia