(chemistry) Of or pertaining to phosphorus. / Resembling phosphorus. / (chemistry) Of relating to or containing trivalent phosphorus.

(proscribed) Misspelling of phosphorus.

Alternative spelling of Phosphorus (“the planet Venus, as the morning star”)

(chemistry) Any of various compounds of transition metals or of rare earths that exhibit phosphorescence. / (chemistry, obsolete) Phosphorus.

(chemistry) Of or pertaining to phosphorus. / Resembling phosphorus. / (chemistry) Of a compound, containing phosphorus in a higher oxidation number than phosphorous compounds, especially with one of 5.

chronic phosphorus poisoning

(obsolete) phosphorescent

(transitive) To combine or treat with phosphorus; to phosphorate.

(rare) phosphorescent

(transitive) To combine or treat with phosphorus; to phosphorize.