Watch glass

noun

Definitions

Noun
  1. 1
    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.
  2. 2
    a protective cover that protects the face of a watch wordnet
  3. 3
    The glass covering of the face of a watch.
  4. 4
    laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker wordnet
  5. 5
    A sandglass, hourglass.

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