noun
Meaning 1
A technique used to identify which parts of the mouth are used when making a certain sound, by painting a colouring agent on the tongue or roof of a subject's mouth and photographing those areas after the subject has pronounced the sound.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: human-sciences, linguistics, phonetics, phonology, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided