betacism
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English
Etymology
From beta + -cism (phenomenon related to a specific phoneme).
Pronunciation
Noun
betacism (usually uncountable, plural betacisms)
- (phonology) A sound change in which (the voiced bilabial plosive) shifts to (the voiced labiodental fricative).
- Betacism is a fairly common phenomenon: it has taken place in Greek, Hebrew, Spanish, and some Portuguese dialects, among others.
- A speech disorder involving excessive use of the sound, or conversion of other sounds into it.