ultrasonics

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ultrasonics

 [ul″trah-son´iks]
that part of the science of acoustics dealing with the frequency range beyond the upper limit of perception by the human ear, i.e. above 20,000 hertz (cycles per second), but usually restricted to frequencies above 50,000 hertz. Ultrasonic radiation is injurious to tissues because of its thermal effects when absorbed by living matter, but in controlled doses it can be used therapeutically to selectively break down pathologic tissues, as in treatment of arthritis and lesions of the nervous system, and also as a diagnostic aid by visually displaying echoes received from irradiated tissues, as in echocardiography. See also ultrasonography.

ul·tra·son·ics

(ŭl'tră-son'iks),
The science and technology of ultrasound, its characteristics and phenomena.

ultrasonics

(ŭl′trə-sŏn′ĭks)
n. (used with a sing. verb)
1. The acoustics of ultrasonic sound.
2. The science and technology that deals with the study and application of ultrasound.

ul·tra·son·ics

(ŭl'tră-son'iks)
The science and technology of ultrasound, its characteristics, and its phenomena.
References in periodicals archive ?
Summary: Low-sonic-boom research will soon make it possible to return to supersonic flights
Dassault Systmes announced that Boom Supersonic is deploying the 3DEXPERIENCE platform to accelerate the design and development of Overture, its Mach-2.2 commercial airliner, with an aim to make supersonic travel mainstream and affordable.
When he was introduced as the last member of the starting lineup for Golden State, Durant pulled off his warmup revealing a Shawn Kemp SuperSonics jersey from the 1996 season, the last time Seattle made the NBA Finals.
35 The NBA's Seattle Supersonics relocated to which US city in 2008?
1987 -- Seattle's Nate McMillan sets an NBA rookie record with 25 assists to lead the SuperSonics over the Los Angeles Clippers 124-112.
When I hear the Kolkata band, Supersonics, I hear the sound of classic rock and roll bands; more contemporary post-punk indie bands; and even blues-rockers from the 1970s.
Club name: Tees Valley Mohawks SCM Supersonics Address: Middlesbrough College, Dock Street, Middlesbrough Tell us about your club: I run and deliver coaching to various teams.
Their intention is to rename the franchise to the SuperSonics and move it to their home city in the US state of Washington.
was in June last year when a group of musicians, including Karsh Kale, Reggae Rajahs, Ankur and the Ghalat Family, Dualist Inquiry and The Supersonics, came together to create the Puma limited edition vinyl record.
MARYLAND (CyHAN)- As the latest in a continuing progression of NASA supersonics research projects aimed at reducing or mitigating the effect of sonic booms, the Farfield Investigation of No Boom Threshold, or FaINT, flight research project will help engineers better understand evanescent waves, an acoustic phenomenon that occurs at the very edges or just outside of the cone or envelope where sonic booms are heard.
The 35th-round draft pick of the 1996 Seattle SuperSonics spent the majority of his next 12 seasons as a European All-Star.
The Celtics, TrailBlazers, Paul Allen, the Spurs, LeBron James, Chris Paul, DeWayne Wade, the Miami Heat, and how the relocation of the Seattle SuperSonics play into the mix are all part of an excellent podcast this week.