单词 | hydrotimeter |
释义 | hydrotimetern. An apparatus for testing the hardness of water, consisting of a graduated tube to measure the water to be tested, and a tubular graduated burette containing a standard soap-solution, with which the test is made. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > hydrotimetry > apparatus hydrotimeter1886 1886 in New Sydenham Soc. Lexicon 1890 Cent. Dict. (at cited word) In saying that ‘the water does not exceed 8 degrees hydrotimeter’, it is meant that not more than 8 divisions of the standard soap-solution delivered from the hydrotimeter is necessary to make a permanent lather with 40 cubic centimeters of the water in question. Derivatives hydrotiˈmetric adj. (see quot. 1886). ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [adjective] > of specific types > of or relating to hydrotimetry hydrotimetric1886 1886 New Sydenham Soc. Lexicon H[ydrotimetric] fluid, the test-solution used in Hydrotimetry..Hydrotimetry, the process of testing the properties of water,..based on Clarke's soap test for the hardness of water. hydroˈtimetry n. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > hydrotimetry hydrotimetry1886 1886*hydrotimetry [see hydrotimetric adj.]. This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2021). < n.1886 |
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