Wiktionary
vb. 1 (context intransitive English) To focus a zoom lens in order to obtain a larger image, or a closer view. 2 (context intransitive English) To manipulate a display (such as a computer screen) so as to make it larger and possibly more detailed.
WordNet
v. examine closely; focus one's attention on; "He zoomed in on the book"
Usage examples of "zoom in".
Eve corrected, then ordered the computer to zoom in on Bryna's face.
Roarke touched her arm, then ordered the screen to zoom in, to enlarge a sector.
Icefall, Dusty said, should zoom in, and all the lads had staked their wages.
Airplanes zoom in formation from the west, between and behind mountains, then swerve over the sea, bank, and do more maneuvers.
She watched a medi-copter zoom in and circle on its trajectory to one of the pads.
Opener: zoom in on Mars, using stock or bonestelled shots, unbroken sequence, then dissolving to miniature matched set of actual landing place of Envoy.
She bought a lot of her clothes at the Zoom in downtown San Francisco.
They were clutching their stomachs and crying-zoom in on twisted faces.