verb
zooms; zoomed; zooming
[no obj]
always followed by an adverb or preposition informal
to move quickly
to move quickly upward
informal :to increase suddenly
zoom in
[phrasal verb]
When a camera or photographer zooms in, the lens of the camera is adjusted so that the image seems to be bigger and closer.
zoom out
[phrasal verb]
When a camera or photographer zooms out, the lens of the camera is adjusted so that the image seems to be smaller and farther away.
noun
plural zooms
[count] :zoom lens
[singular] informal :the loud sound of a vehicle that is moving very fast