Definition of watch glass in English:

watch glass

Line breaks: watch glass

Entry from British & World English dictionary

noun

British
  • 1A glass disc covering the dial of a watch.
  • 1.1A concave glass disc used in a laboratory to hold material for use in experiments.

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Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
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