Definition of PHOSPHORUS

phosphorus

Meanings

Plural: phosphori, phosphoruses

Noun

  • a multivalent nonmetallic element of the nitrogen family that occurs commonly in inorganic phosphate rocks and as organic phosphates in all living cells; is highly reactive and occurs in several allotropic forms
  • a planet (usually Venus) seen just before sunrise in the eastern sky
  • a chemical element (symbol P) with an atomic number of 15, that exists in several allotropic forms.
  • any substance exhibiting phosphorescence; a phosphor.

Origin / Etymology

Borrowed from Latin phōsphorus, from Ancient Greek φωσφόρος (phōsphóros, “the bearer of light”), from φῶς (phôs, “light”) + φέρω (phérō, “to bear, carry”).

Synonyms

atomic number 15, daystar, Lucifer, morning star, P

Scrabble Score: 20

phosphorus is a valid Scrabble (US) TWL word
phosphorus is a valid Scrabble Word in Merriam-Webster MW Dictionary
phosphorus is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 21

phosphorus is a valid Words With Friends word