1. (Chem) Of or pertaining to phosphorus; resembling, or containing, from us; specifically, designating those compounds in which phosphorus has a higher valence as contrasted with the phosphorous compounds.

2. Phosphorescent. "A phosphoric sea." Glacial phosphoric acid.

<chemistry> Phosphoric acid changed from acid (soluble) salts back to neutral or basic (insoluble) salts.

Origin: Cf. F. Phosphorique.

(01 Mar 1998)