GUILLAUME LOUIS FIGUIER
\ɡiːjˈə͡ʊm lˈuːi fˈɪɡa͡ɪə], \ɡiːjˈəʊm lˈuːi fˈɪɡaɪə], \ɡ_iː_j_ˈəʊ_m l_ˈuː_i f_ˈɪ_ɡ_aɪ_ə]\
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A French scientific writer; born at Montpellier, Feb. 15, 1819; died at Paris, Nov. 9, 1894. He has done much for the popularization of science as editor of the scientific column of the Presse, and as author of "The Exposition and History of the Principal Modern Scientific Discoveries" (1851-53); "Alchemy and Alchemists" (1854); "Great Ancient and Modern Inventions" (1864, 3d ed.); "The Earth before the Deluge" (1866, 5th ed.); "Lives of Illustrious Savants" (1866); "Marvels of Science" (1867-69).
By Charles Dudley Warner
Word of the day
Ultraviolet Ray
- That portion electromagnetic spectrum immediately below visible range extending into x-ray frequencies. longer near-biotic vital necessary for endogenous synthesis of vitamin D and are also called antirachitic rays; the shorter, ionizing wavelengths (far-UV or abiotic extravital rays) viricidal, bactericidal, mutagenic, carcinogenic used as disinfectants.