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单词 phosphor
释义

WordReference Random House Unabridged Dictionary of American English © 2024
phos•phor  (fosfər, -fôr),USA pronunciation n. 
  1. Physics, Chemistryany of a number of substances that exhibit luminescence when struck by light of certain wavelengths, as by ultraviolet.
  2. [Literary.]a phosphorescent substance.

adj. 
  1. [Archaic.]phosphorescent.
  • Latin Phōsphorus Phosphor
  • French phosphore
  • 1625–35

Phos•phor  (fosfər, -fôr),USA pronunciation n. 
  1. Astronomythe morning star, esp. Venus.
Also, Phos•phore (fosfôr, -fōr),USA pronunciation Phosphorus. 
  • Greek Phōsphóros the morning star, literally, the light-bringing one, equivalent. to phôs light + -phoros bringing; see -phorous
  • Latin Phōsphorus
  • 1625–35

phosphor-, 
  1. Chemistryvar. of phosphoro- before a vowel:phosphorate.

Collins Concise English Dictionary © HarperCollins Publishers::
phosphor /ˈfɒsfə/ n
  1. a substance, such as the coating on a cathode-ray tube, capable of emitting light when irradiated with particles or electromagnetic radiation
Etymology: 17th Century: from French, ultimately from Greek phōsphoros phosphorus
WordReference Random House Unabridged Dictionary of American English © 2024
phosphoro-, 
  1. Chemistrya combining form representing phosphorus in compound words:phosphoroscope.
Also,[esp. before a vowel,] phosphor-. Cf. phospho-. 
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更新时间:2024/9/21 17:51:48