ultrasonic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The reason you have probably never heard a thirsty plant make noise is that the sounds are ultrasonic — about 20–100 kilohertz.

From Scientific American

Tesla also used ultrasonic sensors, shorter-range devices that detect obstructions within inches of the car.

From Washington Post

Their cousins the toothed whales—sperm whales, belugas, dolphins, and the like—use ultrasonic sonar signals to detect prey, but baleen whales don't have that ability.

From Scientific American

But the ultrasonic sensor now used at more than 80% of stations across the north can only measure one fixed spot.

From Science Magazine

They also found no evidence, including forensic information or geolocation data, that would suggest an adversary had used a form of directed energy such as radio waves or ultrasonic beams.

From Washington Post