Word Explorer

Ultrasonic

(acoustics) Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.

📖 Definitions of "Ultrasonic"

adjective

1
(acoustics) Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.

3 synonyms found via WordNet and Google Books.

Word	Definition
inaudible	Unable to be heard or not loud enough to be heard.
unhearable	That cannot be heard.
supersonicnoun	(of a speed) Greater than the speed of sound (in the same medium, and at the same temperature and pressure).

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
supersonicnoun	(of a speed) Greater than the speed of sound (in the same medium, and at the same temperature and pressure).
inaudible	Unable to be heard or not loud enough to be heard.
unhearable	That cannot be heard.
ultrasoundnoun	Medical ultrasonography.
acoustical	Of or pertaining to hearing or acoustics.
acousticnoun	Pertaining to the sense of hearing, the organs of hearing, or the science of sounds.
audibleverb	Able to be heard.
temporalnoun	(relational) Relating to time:
exposurenoun	(uncountable) The condition of being exposed, uncovered, or unprotected.
ultranoun	Extreme; far beyond the norm; fanatical; uncompromising.
soundnoun	A sensation perceived by the ear caused by the vibration of air or some other medium.
high-frequency	Very frequent.
ultra-high-frequency	—
hypersonic	(aviation) Of a speed, equal to, or greater than, or capable of achieving, five times the speed of sound.
ultrawavenoun	A type of radiation, often described as allowing for faster-than-light communication.
ultrasensual	Extremely sensual.
ultracosmic	(rare) Above and beyond the cosmos; supercosmic.
infravisible	At the infrared end of the spectrum, lower in frequency than light visible to humans.
subaudible	Below the threshold of hearing.
subauditory	Below the threshold of hearing.