Dictionary
di•a•phone
Pronunciation: (dī'u-fōn"), [key]—
n.
1. a foghorn producing a low-pitched, penetrating signal of two tones.
2. Phonet.
a. a phoneme in one dialect corresponding to a similar but phonetically different phoneme in a related dialect.
b. a group of sounds comprising all the phonetically different dialectal variants of a given phoneme in a language:
The broad a
and flat a
of “half ” are members of a single diaphone.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.