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PHOSPHORUS

Pronunciation (US): 

 Dictionary entry overview: What does Phosphorus mean? 

PHOSPHORUS (noun)
  The noun PHOSPHORUS has 2 senses:

1. 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
2. a planet (usually Venus) seen just before sunrise in the eastern sky

  Familiarity information: PHOSPHORUS used as a noun is rare.


 Dictionary entry details 


PHOSPHORUS (noun)


Sense 1phosphorus [BACK TO TOP]

Meaning:

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

Classified under:

Nouns denoting substances

Synonyms:

atomic number 15; P; phosphorus

Hypernyms ("phosphorus" is a kind of...):

chemical element; element (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)

Holonyms ("phosphorus" is a substance of...):

apatite (a common complex mineral consisting of calcium fluoride phosphate or calcium chloride phosphate; a source of phosphorus)


Sense 2Phosphorus [BACK TO TOP]

Meaning:

A planet (usually Venus) seen just before sunrise in the eastern sky

Classified under:

Nouns denoting natural objects (not man-made)

Synonyms:

daystar; morning star; Lucifer; Phosphorus

Hypernyms ("Phosphorus" is a kind of...):

major planet; planet ((astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction)


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