Definition of “phosphorus” - English Dictionary

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“phosphorus” in British English

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(Definition of “phosphorus” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“phosphorus” in American English

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phosphorusnoun [ U ]

us /ˈfɑs·fər·əs/

a poisonous, yellow-white chemical element that shines in the dark and burns when in the air

(Definition of “phosphorus” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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