|part of speech:
||to increase the power, volume, temperature, or brightness of, as by turning a dial.
I turned up the volume on the TV.He turns up the air conditioning when we leave.
- dim, lower, turn down
||to appear or arrive.
The guest of honor finally turned up one hour late.
||to find or be found.
The archivist turned up a valuable manuscript.My car keys turned up two days later.