• Noun Physics, Chemistry .

    the emission of radiation, esp. of visible light, by a substance during exposure to external radiation, as light or x-rays. Compare phosphorescence ( def. 1 ) .
    the property possessed by a substance capable of such emission.
    the radiation so produced.

    tác giả


    Tìm thêm với Google.com :

    NHÀ TÀI TRỢ
Mời bạn chọn bộ gõ Anh Việt
Bạn còn lại 350 ký tự.
X