ultrasonic

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Definitions from WordNet

Adjective ultrasonic has 1 sense

supersonic, ultrasonic - having frequencies above those of audible sound
Antonyms: audible, hearable (indirect, via inaudible)

Definitions from the Web

Term: Ultrasonic

Part of Speech: Adjective

Sense 1:

Definition: Relating to or involving ultrasound waves or frequencies above the upper limit of human hearing.

Example Sentence: The ultrasonic device is used to clean delicate jewelry by emitting high-frequency sound waves.

Sense 2:

Definition: Producing sounds or vibrations with an ultrasonic frequency.

Example Sentence: Bats are known for their ability to navigate in the dark using ultrasonic signals.

Sense 3:

Definition: Designating a device or technology that uses ultrasonic waves.

Example Sentence: The ultrasonic humidifier creates a fine mist by vibrating water at extremely high frequencies.