A Chromebook is a laptop running the Linux-based Chrome OS as its operating system. The devices were originally designed to be used primarily while connected to the Internet, with most applications and data residing in the cloud. The original Chromebook was an example of a thin client.
A rack and pinion is a type of steering gear in which a pinion on the end of the steering column engages with a horizontal rack (= flat-toothed bar.) COLLOCATIONS: ~ steering. The speed-sensitive rack and pinion steering set-up was light and precise.
Rack and pinion steering mechanism: 1 steering wheel; 2 steering column; 3 rack and pinion; 4 tie rod; 5 kingpin. Rack and pinion unit mounted in the cockpit of an Ariel Atom sports car chassis.