phosphorus

silicon${\displaystyle \longleftarrow }$ 15 ${\displaystyle \longrightarrow }$sulfur or sulphur

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Phosphorus

Pronunciation

• IPA ^(key): /ˈfɒsfərəs/

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• Hyphenation: phos‧pho‧rus

Noun

Singular phosphorus

Plural none

1. Phosphorus is a chemical element that has an atomic number of 15 and the symbol P.

   Phosphorus is used to make matches.

   We need to eat foods which contain phosphorus to stay healthy.