VOLUMETRIC a.
Volumetric analysis (Chem.), that system of the quantitative analysis of solutions which employs definite volumes of standardized solutions of reagents, as measured by burettes, pipettes, etc.; also, the analysis of gases by volume, as by the eudiometer.
WAX n.
A fatty, solid substance, produced by bees, and employed by them in the construction of their comb; -- usually called beeswax. It is first excreted, from a row of pouches along their sides, in the form of scales, which, being masticated and mixed with saliva, become whitened and tenacious. Its natural color is pale or…
WEAR v. 2 definitions
To endure or suffer use; to last under employment; to bear the consequences of use, as waste, consumption, or attrition; as, a coat wears well or ill; -- hence, sometimes applied to character, qualifications, etc.; as, a man wears well as an acquaintance.
WELSBACH a.
Welsbach burner, a burner in which the combustion of a mixture of air and gas or vapor is employed to heat to incandescence a mantle composed of thoria and ceria. The mantle is made by soaking a "stocking" in a solution of nitrates of thorium and cerium (approx. 99 : 1), drying, and, for use, igniting to burn the threa…