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pyrone

[ pahy-rohn, pahy-rohn ]
/ ˈpaɪ roʊn, paɪˈroʊn /

noun Chemistry.

either of two heterocyclic ketones having the formula C5H4O2.

Nearby words

  1. pyrometric,
  2. pyrometric bead,
  3. pyrometric cone,
  4. pyromorphite,
  5. pyromucic aldehyde,
  6. pyronine,
  7. pyrope,
  8. pyrophobia,
  9. pyrophoric,
  10. pyrophosphatase

Origin of pyrone

First recorded in 1890–95; pyr- + -one
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for pyrone

pyrone

/ (ˈpaɪrəʊn, paɪˈrəʊn) /

noun

either of two heterocyclic compounds that have a ring containing five carbon atoms and one oxygen atom with two double bonds and a second oxygen atom attached to a carbon atom in either the ortho -position (alpha pyrone) or the para -position (gamma pyrone)
any one of a class of compounds that are substituted derivatives of a pyrone
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012