eudiometer
(noun) measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases
Source: WordNet® 3.1
Late 18th century, from Greek: eúdio(s) 'clear, fine', from eu 'well' + dios 'heavenly'
eudiometer (plural eudiometers)
A graduated glass tube, closed at one end, that is used for measuring the change in the volume of gases during a chemical reaction.
Source: Wiktionary
Eu`di*om"e*ter, n. Etym: [Gr. -meter: cf. F. ediomètre.] (Chem.)
Definition: An instrument for the volumetric measurement of gases; -- so named because frequently used to determine the purity of the air.
Note: It usually consists of a finely graduated and calibrated glass tube, open at one end, the bottom; and having near the top a pair of platinum wires fused in, to allow the passage of an electric spark, as the process involves the explosion and combustion of one of the ingredients to be determined. The operation is conducted in a through of mercury, or sometimes over water. Cf. Burette. Use's ediometer has the tube bent in the form of the letter. U.
Source: Webster’s Unabridged Dictionary 1913 Edition
23 November 2024
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
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