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A small tapered vessel for strong heating.
Also known as: Ceramic crucible, Heating crucible
A crucible is drawn as a small tapered vessel, usually with a lid, made to be heated far hotter than glass will bear.
Holds a substance for heating to temperatures glassware cannot withstand.
Contexts: Laboratory
Is not glass, which is the reason it exists, so a diagram containing one is depicting a temperature range as well as a vessel.
Contexts: Laboratory
A small vessel narrowing towards its base, drawn with a separate shallow lid above it.