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
There are some optional fancy features — an ultrasonic fingerprint reader, an edge-to-edge glass palm rest, a haptic touchpad, and a leather cover — that weren’t included on the model I was sent.
From The Verge
Compared with more conventional technology, based on hydrometallurgy, which uses liquids, such as sulphuric acid and water to extract materials, he said ultrasonic technology can process 100 times more battery material over the same period.
From Reuters
Paeng's invention uses a gyro sensor to measure the oblique angle of the user's neck and an ultrasonic sensor to calculate the distance between the robotic eye and any obstacles.
From Reuters
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.