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单词 luminescent
释义

WordReference Random House Learner's Dictionary of American English © 2024
lu•mi•nes•cence /ˌluməˈnɛsəns/USA pronunciation   n. [uncountable]
  1. Opticsthe giving off of light not caused by something burning, occurring at a temperature below that of burning.
  2. Opticsthe light produced in this way.
lu•mi•nes•cent, adj. 

WordReference Random House Unabridged Dictionary of American English © 2024
lu•mi•nes•cence  (lo̅o̅′mə nes′əns),USA pronunciation n. 
  1. Opticsthe emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies.
  2. Opticsthe light produced by such an emission.
  • Latin lūmin- (see lumen) + -escence
  • 1885–90
lu′mi•nes′cent, adj. 
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更新时间：2025/11/12 16:07:21