n. [ Gr. &unr_; dense, compact + -meter. ] (Physics) A specific gravity bottle; a standard flask for measuring and comparing the densities of liquids.
n. [ Pyro- + -meter: cf. F. pyromètre. ]
☞ It is usually constructed so as to register the change which the heat to be measured produces in the length of some expansible substance, as a metallic rod, or in the intensity of a thermo-electric current. [ 1913 Webster ]
n. [ Pyro- + -meter: cf. F. pyromètre. ]
☞ It is usually constructed so as to register the change which the heat to be measured produces in the length of some expansible substance, as a metallic rod, or in the intensity of a thermo-electric current. [ 1913 Webster ]