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  1. phosphorus

    • IPA[ˈfäsf(ə)rəs]

    美式

    • n.
      the chemical element of atomic number 15, a poisonous, combustible nonmetal 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.
    • noun: phosphorus

    • 相關詞
    • n.
      A highly unstable, waxy white or yellowish allotrope of phosphorus, P4, that spontaneously ...
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    • IPA[ˈfɒsf(ə)rəs]

    英式

    • n.
      the chemical element of atomic number 15, a poisonous, combustible non-metal which exists in ...

    Oxford Dictionary