As you may have noticed, above you will find words for "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.". Hover the mouse over the word you'd like to know more about to view its definition. Click to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.