Dictionary
phosphorous
adjective phos·pho·rous \ˈfäs-f(ə-)rəs; fäs-ˈfȯr-əs\
Definition of PHOSPHOROUS
: of, relating to, or containing phosphorus especially with a valence lower than in phosphoric compounds
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First Known Use of PHOSPHOROUS
1788
Medical Dictionary
phosphorous
adjective phos·pho·rous \ˈfäs-f(ə-)rəs; fäs-ˈfōr-əs, -ˈfȯr-\
Medical Definition of PHOSPHOROUS
: of, relating to, or containing phosphorus especially with a valence lower than in phosphoric compounds
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