[化] 炉热消耗计

[医] 气体密度计

[ noun ]
densimeter consisting of a thin glass globe that is weighed in a gas to determine its density
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Dasymeter \Da*sym"e*ter\, n. [Gr. dasy`s rough, thick + -meter.]
(Physics)
An instrument for testing the density of gases, consisting of
a thin glass globe, which is weighed in the gas or gases, and
then in an atmosphere of known density.