phosphoric

adjective
phos·pho·ric | \fäs-ˈfȯr-ik, -ˈfär-;ˈfäs-f(ə-)rik \

Definition of phosphoric 

: of, relating to, or containing phosphorus especially with a valence higher than in phosphorous compounds

First Known Use of phosphoric

circa 1765, in the meaning defined above

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The first known use of phosphoric was circa 1765

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phosphoric

adjective
phos·pho·ric | \fäs-ˈfȯr-ik, -ˈfär-; ˈfäs-f(ə-)rik \

Medical Definition of phosphoric 

: of, relating to, or containing phosphorus especially with a valence higher than in phosphorous compounds

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