parasigmatism


lisping

 [lisp´ing] faulty enunciation of s and z sounds; called also parasigmatism.

lisp·ing

(lisp'ing), Mispronunciation of the sibilants s and z. Synonym(s): parasigmatism, sigmatism

parasigmatism

(par?a-sig'ma-tizm) [? + sigma, Gr. letter S, + -ismos, condition] Inability to pronounce “s” correctly; lisping.