upshift

(noun, verb)

noun

1. (automotive) A shift to a higher gear

2. (sciences, engineering) A shift to a higher level, such as of frequency or growth

verb

1. (automotive) To shift to a higher gear

- You can upshift to second gear once the car is moving.

2. (sciences, engineering) To shift to a higher level, such as of frequency or growth rate

- The frequency of the light is upshifted.