idioglossia

[ id-ee-uh-glos-ee-uh, -glaw-see-uh ]
/ ˌɪd i əˈglɒs i ə, -ˈglɔ si ə /

noun

a private form of speech invented by one child or by children who are in close contact, as twins.
a pathological condition characterized by speech so distorted as to be unintelligible.

Origin of idioglossia

1890–95; < Greek idióglōss(os) of distinct or peculiar tongue ( idio- idio- + -glōssos, adj. derivative of glôssa tongue) + -ia -ia

OTHER WORDS FROM idioglossia

id·i·o·glot·tic [id-ee-uh-glot-ik] /ˌɪd i əˈglɒt ɪk/, adjective

Words nearby idioglossia

idiochromatic, idiocrasy, idiocy, idiodynamic, idiodynamics, idioglossia, idiogram, idiograph, idiographic, idioheteroagglutinin, idioheterolysin

British Dictionary definitions for idioglossia

idioglossia
/ (ˌɪdɪəʊˈɡlɒsɪə) /

noun

a private language, as invented by a child or between two children, esp twins
a pathological condition in which a person's speech is so severely distorted that it is unintelligible

Word Origin for idioglossia

C19: from Greek idios private, separate + glossa tongue