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单词 retinol
释义

WordReference Random House Unabridged Dictionary of American English © 2024
ret•i•nol  (retn ôl′, -ol′),USA pronunciation n. 
  1. BiochemistrySee vitamin A. 
  2. Chemistry, Biochemistrya yellowish oil, C32H16, obtained by the distillation of resin, used as a solvent and as an antiseptic.
  • Greek rhētí̄n(ē) resin + -ol1
  • 1830–40

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