FLUORIN
\flˈʊ͡əɹɪn], \flˈʊəɹɪn], \f_l_ˈʊə_ɹ_ɪ_n]\
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By James Champlin Fernald
By Willam Alexander Newman Dorland
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A non-metallic elementary gas of a pungent odor and a greenish yellow color. It is the most active of all chemical elements. Atomic weight 19. Chemical symbol F. It occurs in nature in composition in the form of fluor spar and other minerals, and is found in the body in minute quantities in the bones, blood, brain, and the enamel of the teeth. [Lat.]
By Smith Ely Jelliffe
Word of the day
basidiomycota
- comprises fungi bearing the spores on basidium: Gasteromycetes (puffballs); Tiliomycetes (comprising orders Ustilaginales (smuts) and Uredinales (rusts)); Hymenomycetes (mushrooms; toadstools; agarics; bracket fungi); in some classification systems considered a division of kingdom comprises fungi bearing spores on a basidium; includes Gasteromycetes (puffballs) Tiliomycetes comprising the orders Ustilaginales (smuts) and Uredinales (rusts) Hymenomycetes (mushrooms, toadstools, agarics bracket fungi).