glossograph
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glossograph
[glos´o-graf]an apparatus for registering tongue movements in speech.
glos·so·graph
(glos'ō-graf),An instrument for recording the movements of the tongue in speaking.
[glosso- + G. graphō, to write]
glossograph
(glos′ŏ-graf″) [ glosso- + -graph]An instrument for recording the tongue's movements during speech.