Dictionary.com

pyrone

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

noun Chemistry.

either of two heterocyclic ketones having the formula C5H4O2.

QUIZZES

BECOME A PRO CHEF WITH THIS EXQUISITE CUISINE QUIZ!

Even if you can't be a professional chef, you can at least talk like one with this vocabulary quiz.
Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
To cook in water that begins cold and then reaches a boil.
To stew in a sauce for a long time.
To cook in water, just below boiling temperature.
TAKE THE QUIZ TO FIND OUT

Origin of pyrone

First recorded in 1890–95; pyr- + -one

Words nearby pyrone

pyrometer, pyrometric bead, pyrometric cone, pyromorphite, pyromucic aldehyde, pyrone, pyronine, pyrope, pyrophobia, pyrophoric, pyrophosphatase
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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