evaporating dish
a piece of laboratory glassware used for the evaporation of solutions and supernatant liquids, and sometimes to their melting point
en-GB/ɪˈvæpəɹeɪtɪŋ ˈdɪʃ/
en-US/iˈvæpɚˌeɪtɪŋ ˈdɪʃ/
a piece of laboratory glassware used for the evaporation of solutions and supernatant liquids, and sometimes to their melting point