| abacus |
a device used for counting or calculating. An abacus has beads or other counters that slide along rods or in grooves. |
| accelerator |
a mechanical device that controls the speed of something, especially the gas pedal of a car. |
| adapter |
a device or part that adapts a machine or tool to a different use. [1/2 definitions] |
| aerator |
a device that aerates a fluid or mixes it with air. |
| afterburner |
a device that increases the thrust of a jet engine by injecting fuel into the exhaust gases for burning. [2 definitions] |
| air conditioner |
a device that circulates cooled and dehumidified air in a building, car, or other space. |
| air gun |
a device that uses compressed air to blow or spray substances such as insecticides. [1/2 definitions] |
| alarm |
the sounding mechanism of an alarm clock or warning device. [1/5 definitions] |
| alembic |
a device, used in the past for distillation, whose main vessel has a beaked top. [1/2 definitions] |
| align |
to adjust (something), usu. a device, to improve its function. [1/6 definitions] |
| allegory |
a device in art or literature by which abstract moral or spiritual qualities are represented by concrete characters, things, and events. [1/2 definitions] |
| altimeter |
a device that measures distance above the Earth's surface. |
| amplifier |
an electronic device used to make sound louder. |
| anchor |
a heavy device, connected by a cable to a boat or ship, that is dropped to the bottom of a body of water to restrict the vessel's motion. [2/7 definitions] |
| android |
(cap.) a phone or other device that uses the Android operating system. [2/4 definitions] |
| answering machine |
a device connected to a telephone that records an incoming message from a caller when the telephone is not answered. |
| antenna |
a metal device that sends or receives radio or television signals. [1/2 definitions] |
| antimissile |
a ballistic device used in defense against enemy missiles. [1/2 definitions] |
| appliance |
a device used for a particular purpose. Stoves, refrigerators, toasters, vacuum cleaners, and room heaters are some appliances used in the home. Most applicances use electricity. |
| applicator |
a device used to apply a substance to something. |
| Aqua-Lung |
trademark for an underwater breathing device. |