Tra từ atomic number 15 - Từ điển WordNet v3.1

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atomic number 15
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Từ điển WordNet v3.1 - WordNet Dictionary

atomic number 15

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
• Syn:
phosphorus, P
• Derivationally related forms:
phosphoric (for: phosphorus), phosphorous (for: phosphorus)
• Hypernyms:
chemical element, element
• Substance Holonyms:
apatite