单词 | phosphorus |
释义 | phosphorus/ˈfɒsf(ə)rəs![]() noun [mass noun] The chemical element of atomic number 15, a poisonous, combustible non-metal which exists in two common allotropic forms, white phosphorus, a yellowish waxy solid which ignites spontaneously in air and glows in the dark, and red phosphorus, a less reactive form used in making matches. (Symbol: P) Nitrogen, phosphorus, potassium, sulphur and boron have been found to be important in Zambia....
OriginLate 17th century: from Latin, from Greek phōsphoros, from phōs 'light' + -phoros '-bringing'. Rhymes |
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