Devices: English Vocabulary List

a device used to inflate sports balls, such as soccer balls and basketballs, by forcing air into them

"The ball pump inflates balls."

"The ball pump inflates balls and has a needle that fits into the air valve."

a wireless communication device allowing two or more people to communicate over a shared frequency

"Two-way radio transmits and receives."

"The security guards used two way radios to communicate instantly across the large shopping center."

a device used to measure the distance from the observer to a target

"The rangefinder measures distance to the hole."

"The rangefinder measures distance to the hole and is used in golf."

a device that reduces vibrations or noise, making things more stable, comfortable, or effective

"The dampener reduces vibration in the racket."

"The dampener reduces vibration in the racket and is placed between the strings."

a device used by cyclists to track and display various metrics such as speed, distance, and heart rate

"The cycling computer tracks speed and distance."

"The cycling computer tracks speed and distance and mounts on the handlebars."

a safety device worn by athletes, primarily in motorsports like Formula 1 and NASCAR, to reduce the risk of neck and head injuries during crashes

"The HANS device limits head movement in a crash."

"The HANS device limits head movement in a crash and is worn by race car drivers."

a safety mechanism that automatically initiates specific actions, such as deploying a parachute or releasing targets

"The AAD automatically deploys the reserve parachute."

"The AAD automatically deploys the reserve parachute at a preset altitude."

a watch with a button to stop and start time, used in sport events

"The stopwatch is ready."

"He used a stopwatch to measure the race time."

a piece of sports equipment used in climbing to control the rope during belaying

"The belay device catches a falling climber."

"The belay device catches a falling climber and is used in rock climbing."

a device used in climbing to control or slow descent

"The descender controls descent on a rope."

"The descender controls descent on a rope and is used in rappelling."

a device used in fishing sports equipment that uses technology to locate fish underwater

"The fish finder shows fish underwater."

"The fish finder shows fish underwater and uses sonar technology."

a specialized timepiece designed for underwater use, commonly used in scuba diving and snorkeling

"The diving watch has a rotating bezel."

"The diving watch has a rotating bezel and is water resistant to great depths."