Associations to the word «Ultrasonic»

Wiktionary

ULTRASONIC, adjective. (acoustics) Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.
ULTRASONIC BATH, noun. A piece of industrial or laboratory equipment that consists of a container, or bath, used for cleaning or mixing things by sending ultrasonic vibrations through the liquid contained in it.

Dictionary definition

ULTRASONIC, adjective. Having frequencies above those of audible sound.

Wise words

We should have a great fewer disputes in the world if words were taken for what they are, the signs of our ideas only, and not for things themselves.
John Locke