a combining form meaning “sound,” “voice,” used in the formation of compound words: phonology.

Nearby words

  1. phoniatrics,
  2. phonic,
  3. phonics,
  4. phono,
  5. phono plug,
  6. phonoangiography,
  7. phonocardiogram,
  8. phonocardiograph,
  9. phonocatheter,
  10. phonochemistry

Also especially before a vowel, phon-.

Compare -phone, -phony.

Origin of phono-

1945–50; < Greek, combining form representing phōnḗ voice Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for phono-


before a vowel phon-

combining form

indicating a sound or voicephonograph; phonology

Word Origin for phono-

from Greek phōnē sound, voice

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

Word Origin and History for phono-


word-forming element meaning "sound, voice," from Greek phono-, comb. form of phone "voice, sound" (see fame (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for phono-



Sound; voice; speech:phonometer.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.