Expander
Pronunciation: /ˈɛksˈpændɝ/
Expander (noun)
- A tool used to make an opening wider, so something can fit more easily.
- A dental device that slowly widens the upper jaw or teeth space.
- A device that increases the difference between quiet and loud sounds in audio.
Examples
- The dentist used an expander to widen my mouth.
- An expander helps widen the mouth during treatment.