ultrasonic

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ultrasonic

 [ul″trah-son´ik]
beyond the audible range; relating to sound waves having a frequency of more than 20,000 Hz.

ul·tra·son·ic

(ŭl'tră-son'ik),
Relating to energy waves similar to those of sound but of higher frequencies (above 20,000 Hz).
[ultra- + L. sonus, sound]

ultrasonic

/ul·tra·son·ic/ (-son´ik) beyond the upper limit of perception by the human ear; relating to sound waves having a frequency of more than 20,000 Hz.

ultrasonic

(ŭl′trə-sŏn′ĭk)
adj.
1. Of or relating to acoustic frequencies above the range audible to the human ear, or above approximately 20,000 hertz.
2. Of, relating to, or involving ultrasound.

ul′tra·son′i·cal·ly adv.

ultrasonic

[ul′trəson′ik]
Etymology: L, ultra, beyond + sonus, sound
pertaining to ultrasound, or sound frequencies so high (greater than 20 kHz) that they cannot be perceived by the human ear.

ultrasonic

adjective Referring to an electromagnetic frequency faster than sound waves–eg, ≥ 30,000 Hz

ul·tra·son·ic

(ŭl'tră-son'ik)
Relating to energy waves similar to those of sound but of higher frequencies (above 30,000 Hz).
[ultra- + L. sonus, sound]

ultrasonic

Pertaining to sound waves above the upper limit of audibility, that is above about 20,000 Hz.

ultrasonic

high-frequency, inaudible sound energy waves (>30 000 Hz) above range of normal hearing

ul·tra·son·ic

(ŭl'tră-son'ik)
Relating to energy waves similar to those of sound but of higher frequencies (above 20,000 Hz).
[ultra- + L. sonus, sound]

ultrasonic (ul´trəson´ik),

adj pertaining to sound frequencies so high (greater than 20 kHz) they cannot be perceived by the human ear.
ultrasonic cleaner,
n an electronic generator that transmits high-energy and high-frequency vibrations to a fluid-filled container used to remove particulate matter from dental instruments and appliances.

ultrasonic

beyond the audible range; relating to sound waves having a frequency of more than 20,000 cycles per second.

ultrasonic cleaning
surgical instruments can be thoroughly cleaned by the use of ultrasonic waves which cause the formation of minute gas bubbles which, when they collapse, form shock waves.
ultrasonic heating
the use of ultrasound for producing localized hyperthermia.
ultrasonic pregnancy diagnosis
ultrasonic probe
used to disintegrate masses internally, e.g. the optic lens.
ultrasonic tooth scaling
the use of vibrations to remove supragingival calculus. See ultrasonic scaler.
References in periodicals archive ?
Equipment: The ultrasonic welding equipment or various welding components are not suited to the application.
4: Main effects plot for tensile shear strength on ultrasonic welding aluminium joint
It is expected that weld strength increases with amplitude since volumetric heating during ultrasonic welding is proportional to strain squared ([[epsilon].
In fact, if a correctly tuned ultrasonic welding system is operated in air, without product contact, it is inaudible.
In order to fulfill the requirements imposed to the application a ultrasonic welding equipment has been used that operates at a resonance frequency of 20kHz, foreseen with an active cylindrical work tool (sonotrode) in steps with 3 straight active lobes.
Pressed into the hole in the, plastic capsule, the knurl would upset the plastic sufficiently to ensure that the brass rods would stay put during ultrasonic welding.
There are many parameters in the ultrasonic welding of thermoplastics.
Karl Graff, a principal engineer at the Edison Welding Institute, who will explore the new world of ultrasonic welding.
Our laser cutting and welding technologies provide meaningful time and cost savings compared to more traditional punching and ultrasonic welding.
Cera Engineering is introducing the Cera UltraSonic welding machine.
Besides welding waterproof and airtight seams, the Rotosonic Ultrasonic Welding Machine can be equipped to cut fabric while sealing the cut edge to prevent material from flaying or unraveling.
Hailed as a world first, advanced ultrasonic welding joins the C-pillars of the new model.

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