pyran

n. [化]吡喃

词形变化

pyrans 复数 pyrans

释义与例句

n.
  1. 1.

    Any of a class of unsaturated heterocyclic compounds containing a ring of five carbon atoms, an oxygen atom and two double bonds; especially the simplest one, C₅H₆O.

    吡喃

    化学

词源

pyre + -an

来源：wiktionary