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• acoustic device go
  a device for amplifying or transmitting sound
  
• adapter, adaptor go
  device that enables something to be used in a way different from that for which it was intended or makes different pieces of apparatus compatible
  
• afterburner go
  a device injects fuel into a hot exhaust for extra thrust
  
• agglomerator go
  a device that causes material to gather into rounded balls
  
• airfoil, aerofoil, control surface, surface go
  a device that provides reactive force when in motion relative to the surrounding air
  
• alarm, warning device, alarm system go
  a device that signals the occurrence of some undesirable event
  
• contrivance, appliance, contraption, convenience, gadget, gizmo, gismo, widget go
  a device or control that is very useful for a particular job
  
• applicator, applier go
  a device for applying a substance
  
• aspergill, aspersorium go
  a short-handled device with a globe containing a sponge
  
• autopilot, automatic pilot, robot pilot go
  a navigational device that automatically keeps ships or planes or spacecraft on a steady course
  
• bait, decoy, lure go
  something used to lure fish or other animals into danger so they can be trapped or killed
  
• billiard marker go
  a device for keeping the score in a game of billiards
  
• feeder, bird feeder, birdfeeder go
  an outdoor device that supplies food for wild birds
  
• blower go
  a device that produces a current of air
  
• bootjack go
  has V-shaped notch for pulling off boots
  
• breathalyzer, breathalyser go
  a device that measures chemicals (especially the alcohol content) in a person's expired breath
  
• breathing device, breathing apparatus, breathing machine, ventilator go
  a device that facilitates breathing in cases of respiratory failure
  
• bubbler go
  any of various devices in which air or some other gas is bubbled through a liquid
  
• buffer, fender go
  a cushion-like device that reduces shock due to an impact
  
• catapult, launcher go
  a device that launches aircraft from a warship
  
• charger, battery charger go
  a device for charging or recharging batteries
  
• clip-on go
  a device (as an earring, sunglasses, microphone etc.) that is attached by clips
  
• comb go
  a flat device with narrow pointed teeth on one edge
  
• comforter, pacifier, baby's dummy, teething ring go
  device used for an infant to suck or bite on
  
• conductor go
  a device designed to transmit electricity, heat, etc.
  
• contraceptive, preventive, preventative, contraceptive device, prophylactic device, birth control device go
  an agent or device intended to prevent conception
  
• converter, convertor go
  a device for changing one substance or form or state into another
  
• corer go
  a device for removing the core from apples
  
• corrective, restorative go
  a device for treating injury or disease
  
• crusher go
  a device that crushes something
  
• cryptograph go
  a device for deciphering codes and ciphers
  
• cutoff go
  a device that terminates the flow in a pipe
  
• dampener, moistener go
  a device that dampens or moistens something
  
• damper, muffler go
  a device that decreases the amplitude of electronic, mechanical, acoustical, or aerodynamic oscillations
  
• deflector go
  a device intended to turn aside the flow of something (water or air or smoke etc)
  
• dental appliance go
  a device to repair teeth or replace missing teeth
  
• depressor go
  a device used by physician to press a part down or aside
  
• detector, sensor, sensing element go
  any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
  
• diestock go
  a device that holds the dies that cut external threads on metal cylinders
  
• drive go
  (computer science) a device that writes data onto or reads data from a storage medium
  
• drop forge, drop hammer, drop press go
  device for making large forgings
  
• elastic device go
  any flexible device that will return to its original shape when stretched
  
• electrical device go
  a device that produces or is powered by electricity
  
• electronic device go
  a device that accomplishes its purpose electronically
  
• energizer, energiser go
  a device that supplies electrical energy
  
• exercise device go
  a device designed to provide exercise for the user
  
• explosive device go
  device that bursts with sudden violence from internal energy
  
• fan go
  a device for creating a current of air by movement of a surface or surfaces
  
• filter go
  device that removes something from whatever passes through it
  
• fire extinguisher, extinguisher, asphyxiator go
  a manually operated device for extinguishing small fires
  
• flare go
  a device that produces a bright light for warning or illumination or identification
  
• fumigator go
  a device that generates a gas for the purpose of disinfecting or eradicating pests
  
• gas fixture go
  a device to convey illuminating gas from the pipe to the gas burner
  
• groover go
  a device that makes grooves by cutting or punching
  
• safety, guard, safety device go
  a device designed to prevent injury or accidents
  
• heater, warmer go
  device that heats water or supplies warmth to a room
  
• heat exchanger go
  device that transfers heat from one liquid to another without allowing them to mix
  
• holding device go
  a device for holding something
  
• horn go
  a device having the shape of a horn
  
• foil, hydrofoil go
  a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through
  
• imprint go
  a device produced by pressure on a surface
  
• indicator go
  a device for showing the operating condition of some system
  
• instrument go
  a device that requires skill for proper use
  
• interlock, ignition interlock go
  a device that prevents an automotive engine from starting
  
• interrupter go
  a device for automatically interrupting an electric current
  
• jig go
  a device that holds a piece of machine work and guides the tools operating on it
  
• key go
  metal device shaped in such a way that when it is inserted into the appropriate lock the lock's mechanism can be rotated
  
• keyboard go
  device consisting of a set of keys on a piano or organ or typewriter or typesetting machine or computer or the like
  
• Kinetoscope go
  a device invented by Edison that gave an impression of movement as an endless loop of film moved continuously over a light source with a rapid shutter
  
• knocker, doorknocker, rapper go
  a device (usually metal and ornamental) attached by a hinge to a door
  
• lift go
  a device worn in a shoe or boot to make the wearer look taller or to correct a shortened leg
  
• lifting device go
  a device for lifting heavy loads
  
• lighter, light, igniter, ignitor go
  a device for lighting or igniting fuel or charges or fires
  
• machine go
  any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
  
• magnet go
  (physics) a device that attracts iron and produces a magnetic field
  
• mechanism go
  device consisting of a piece of machinery
  
• memory device, storage device go
  a device that preserves information for retrieval
  
• instrument, musical instrument go
  any of various devices or contrivances that can be used to produce musical tones or sounds
  
• nest egg go
  device consisting of an artificial egg left in a nest to induce hens to lay their eggs in it
  
• noisemaker go
  a device (such as a clapper or bell or horn) used to make a loud noise at a celebration
  
• optical device go
  a device for producing or controlling light
  
• override go
  a manually operated device to correct the operation of an automatic device
  
• paper feed go
  a device for inserting sheets of paper into a printer or typewriter
  
• peeler go
  a device for peeling vegetables or fruits
  
• pick, plectrum, plectron go
  a small thin device (of metal or plastic or ivory) used to pluck a stringed instrument
  
• power takeoff, PTO go
  a device that transfers power from an engine (as in a tractor or other motor vehicle) to another piece of equipment (as to a pump or jackhammer)
  
• prod, goad go
  a pointed instrument that is used to prod into a state of motion
  
• prompter, autocue go
  a device that displays words for people to read
  
• pull go
  a device used for pulling something
  
• reflector go
  device that reflects radiation
  
• release, button go
  a device that when pressed will release part of a mechanism
  
• remote control, remote go
  a device that can be used to control a machine or apparatus from a distance
  
• reset go
  device for resetting instruments or controls
  
• restraint, constraint go
  a device that retards something's motion
  
• router go
  (computer science) a device that forwards data packets between computer networks
  
• runner go
  device consisting of the parts on which something can slide along
  
• scratcher go
  a device used for scratching
  
• shoehorn go
  a device used for easing the foot into a shoe
  
• shoetree go
  a wooden or metal device that is inserted into a shoe to preserve its shape when it is not being worn
  
• shooting stick go
  device that resembles a spiked walking stick but the top opens into a seat
  
• shredder go
  a device that shreds documents (usually in order to prevent the wrong people from reading them)
  
• signaling device go
  a device used to send signals
  
• snowshoe go
  a device to help you walk on deep snow
  
• sounder go
  a device for making soundings
  
• source of illumination go
  any device serving as a source of visible electromagnetic radiation
  
• stabilizer, stabiliser go
  a device for making something stable
  
• stemmer go
  a device for removing stems from fruit (as from grapes or apples)
  
• straightener go
  a device for straightening
  
• reinforcement, strengthener go
  a device designed to provide additional strength
  
• stylus go
  a sharp pointed device attached to the cartridge of a record player
  
• suction cup go
  a cup-shaped device (made of rubber, glass, or plastic) that produces a partial vacuum
  
• support go
  any device that bears the weight of another thing
  
• sweatbox go
  a device that causes tobacco leaves or fruit or hides to sweat
  
• synchroflash go
  a device used in photography to synchronize the peak of a flash with the opening of the camera shutter
  
• take-up go
  any of various devices for reducing slack (as in a sewing machine) or taking up motion (as in a loom)
  
• teaser go
  a device for teasing wool
  
• throwing stick, throwing board, spear thrower, dart thrower go
  a device resembling a sling that is used in various primitive societies to propel a dart or spear
  
• tilter go
  a device for emptying a cask by tilting it without disturbing the dregs
  
• tongs, pair of tongs go
  any of various devices for taking hold of objects
  
• toy go
  a device regarded as providing amusement
  
• trap go
  a device in which something (usually an animal) can be caught and penned
  
• trigger go
  a device that activates or releases or causes something to happen
  
• valve go
  device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone
  
• vaporizer, vaporiser go
  a device that puts out a substance in the form of a vapor (especially for medicinal inhalation)
  
• ventilator go
  a device (such as a fan) that introduces fresh air or expels foul air
  
• washboard go
  device consisting of a corrugated surface to scrub clothes on
  
• water cooler go
  a device for cooling and dispensing drinking water