🇬🇧 en nl 🇳🇱

watch glass noun

  • (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.
 horlogeglas
Wiktionary Links