Watch Glass (Noun)
Meaning 1
A protective cover that protects the face of a watch.
Classification
Nouns denoting man-made objects.
Synonyms
Hypernyms
Meaning 2
Laboratory glassware; a shallow glass dish used as an evaporating surface or to cover a beaker.
Classification
Nouns denoting man-made objects.
Examples
- The watch glass was carefully placed over the beaker to prevent contamination of the sample.
- A watch glass is often used as an evaporating surface for small quantities of solvents.
- The laboratory technician used a watch glass to cover the beaker containing the sensitive chemical compound.
- To speed up the evaporation process, the researcher placed the watch glass in a warm water bath.
- The watch glass was rinsed with distilled water and dried before being used to cover the beaker.