evaporating dish
noun/ɪˈvæpəreɪtɪŋ dɪʃ/
/ɪˈvæpəreɪtɪŋ dɪʃ/
(specialist)- a dish in which scientists heat a liquid, so that it leaves a solid when it has disappeared
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evaporating dish
Definition of evaporating dish noun from the Oxford Advanced Learner's Dictionary