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

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.