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phos·pho·rus
 phosphorus
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- pronunciation:
- fas
f
rs
- features:
- Word Explorer, Word Parts
| part of speech: |
noun |
| definition: |
a substance that is a chemical element. One of the common forms of phosphorus is a poisonous yellow solid that glows in moist air. Phosphorus is important to living things. It is used in fertilizers to help plants grow. (symbol: P)
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