luminescence
/ˌljuːmɪˈnesəns/noun
mass noun
- the emission of light by a substance that has not been heated, as in fluorescence and phosphorescence发冷光（如荧光、磷光）。
派生词
luminescent
adjective词源
late 19th cent.: from Latin lumen, lumin- 'light' + -escence (denoting a state).