Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

pyr-

combining form

Definition of pyr-

  1. 1 :  fire :  heat <pyrometer> <pyrheliometer>

  2. 2 a :  produced by or as if by the action of heat <pyroelectricity> b :  derived from a corresponding ortho acid by loss usually of one molecule of water from two molecules of acid <pyrophosphoric acid>

  3. 3 :  fever <pyrogenic>



Variants of pyr-

or pyro-

Origin of pyr-

Greek, from pyr — more at fire


Learn More about pyr-

  1. Medical Dictionary: Definition of "pyr-"


Seen and Heard

What made you want to look up pyr-? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a timid, meek, or unassertive person

Get Word of the Day daily email!