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单词 pyrrole
释义

WordReference Random House Unabridged Dictionary of American English © 2024
pyr•role  (pi rōl, pirōl),USA pronunciation n. [Chem.]
  1. Chemistrya colorless, toxic, liquid, five-membered ring compound, C4H5N, that is a component of chlorophyll, hemin, and many other important naturally occurring substances.
  • Greek pyrr(hós) red + -ole
  • 1825–35; irregularly
pyr•rol•ic  (pi rolik, -rōlik),USA pronunciation adj. 
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