Origin of phosphorousFr phosphoreux of, like, or containing phosphorus, esp. trivalent phosphorus
Origin of phosphorousphosphor(us) + -ous
Of, relating to, or containing phosphorus, especially with valence 3 or a valence lower than that of a comparable phosphoric compound.
- Do not confuse phosphorous with phosphorus, which is the noun.
From phosphorus +"Ž -ous.