单词 | formene |
释义 | formenen. Methane or marsh-gas (CH4). ΘΚΠ the world > matter > chemistry > organic chemistry > organic gases > [noun] > other named coal gas1806 oil-gas1820 natural gas1825 resin gas1828 powder gas1860 hydrocarbon gasc1865 air-gas1872 fluoroform1876 formene1884 biomethane1947 Sarin1951 1884 Athenæum 19 July 86/3 Formene..cooled in boiling ethylene..is resolved into an extremely volatile colourless fluid. Derivatives forˈmenophone n. [Greek ϕωνή sound] see quot. ΘΚΠ the world > matter > gas > air > [noun] > air in any specific place or at specific time > measurement of specific quality of air > instruments for measuring specific qualities eudiometer1777 oximeter1803 ozonometer1851 ozonoscope1872 sepometer1876 koniscope1892 formenophone1894 konimeter1918 Tyndallmeter1919 1894 Pop. Sci. Monthly Feb. 576 An instrument which he calls a formenophone has been invented by..M. E. Hardy, for..estimating the proportions of gaseous impurities of an atmosphere by the sound they give in a pipe. This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2018). < n.1884 |
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