pitchmeter
nounUK /ˈpɪtʃmiːtə/
US /ˈpɪtʃmiːtər/
A pitchmeter is a tool that measures how high or low a sound is.
The singing teacher used a pitchmeter to check if the note was on key.
OTHER MEANINGS
2. A device used in aviation to measure the angle of an aircraft's nose up or down.
The pilot checked the pitchmeter during the climb.
3. An instrument for measuring the steepness or slope of a roof or surface.
The builder used a pitchmeter to find the roof's angle.
4. A gauge that measures the distance between threads on a screw or gear.
The machinist used a pitchmeter to match the screw threads.