assibilation

Definitions of assibilation
1

n pronunciation with a sibilant (hissing or whistling) sound

Synonyms:
sibilation
Type of:
pronunciation
the manner in which someone utters a word

n the development of a consonant phoneme into a sibilant

Type of:
development, evolution
a process in which something passes by degrees to a different stage (especially a more advanced or mature stage)

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