Phosphorus is a chemical element; it has symbol P and atomic number 15. All elemental forms of phosphorus are highly reactive and are therefore never found in nature. They can nevertheless be …

Nov 15, 2025 · phosphorus (P), nonmetallic chemical element of the nitrogen family (Group 15 [Va] of the periodic table) that at room temperature is a colourless, semitransparent, soft, waxy solid that …

The meaning of PHOSPHORUS is a phosphorescent substance or body; especially : one that shines or glows in the dark.

PHOSPHORUS definition: a solid, nonmetallic element existing in at least three allotropic forms, one that is yellow, poisonous, flammable, and luminous in the dark, one that is red, less poisonous, and …

/ ˈfɑs·fər·əs / Add to word list a poisonous, yellow-white chemical element that shines in the dark and burns when in the air (Definition of phosphorus from the Cambridge Academic Content Dictionary © …

Definition of phosphorus noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Symbol P A highly reactive, poisonous, nonmetallic element occurring naturally in phosphates, especially apatite, and existing in three allotropic forms, white (or sometimes yellow), red, and black …

Phosphorus is an essential element for the synthesis of various biological molecules and the execution of various biological functions.

Sep 21, 2025 · Definition Phosphorus is a chemical element with the symbol P and atomic number 15. It exists in several allotropic forms, the most common of which are white phosphorus and red …

Jan 21, 2025 · What is Phosphorus? Phosphorus is a chemical element with the symbol P and atomic number 15. It is a non-metal that typically exists in two major forms—white and red …