(computing, UNIX) An abstraction for buffered access to hardware devices, especially storage, where data is read or written in arbitrary-sized blocks.

A device used in spacesuits and diving helmets to allow the wearer to equalize the pressure in their ears by performing the Valsalva maneuver inside the suit without using their hands to block their nose.

Alternative spelling of nanodevice

electronic device

(transitive, idiomatic) to leave alone, unsupervised, without assistance.

plural of spring-loaded camming device

plural of erasable programmable logic device

(computing, technology) Any device which employs the electric, magnetic or optical properties of a solid, especially of semiconductors.

An unconventional or amateur explosive weapon made from nonmilitary components, especially one used by guerillas, commandos or terrorists.

(electricity) An automatic circuit breaker that rapidly disconnects an electric circuit when the imbalance of the currents going through it exceeds a specific value.