Short for high technology.

(informal) Of, or using high technology.

A pair of cymbals as part of a drum kit that clash together when actuated by the foot pedal.

(US, military) Initialism of hybrid insect micro-electro-mechanical systems (MEMS): A DARPA project to control insect locomotion by placing a mechanical system inside an insect.

Alternative form of high-rise

Abbreviation of high-resolution.

plural of hi-fi

(of clothing) High-visibility.

plural of hi-hat

(music) A style of uptempo disco or electronic dance music that originated in the United States and United Kingdom in the late 1970s.