white sound


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sound

 [sownd]
1. a slender instrument to be introduced into body passages or cavities, especially for the dilatation of strictures or detection of foreign bodies.
Sound. From Dorland's, 2000.
2. the sensation resulting from stimulation of the ear by vibrations of air or some other elastic medium with a frequency between 20 and 20,000 Hz.
3. a noise, normal or abnormal, heard within the body; see also under bruit, fremitus, murmur, and rale.
adventitious s's abnormal auscultatory sounds heard over the lungs, such as rales, rhonchi, or any of the abnormal types of resonance; they are usually characterized as either continuous or discontinuous sounds. See also breath sounds.
auscultatory s's sounds heard on auscultation, such as heart sounds, breath sounds, adventitious sounds, and Korotkoff sounds.
bowel s's high-pitched abdominal sounds caused by propulsion of the contents of the intestines; see also bowel sounds.
breath s's the sounds of air moving through the tracheobronchial tree, heard during auscultation of the chest. There are four main types: bronchial breath sounds are high-pitched ones heard normally over the manubrium sterni but indicative of consolidation or compression when heard elsewhere; bronchovesicular breath sounds are intermediate between bronchial and vesicular and are normal on certain peripheral parts of the thorax but indicative of partial consolidation if heard over a lung; cavernous breath sounds are abnormal ones with a hollow resonance heard over a cavity in a lung; and vesicular breath sounds are low-pitched ones heard over the normal lung during ventilation. Called also respiratory sounds.
continuous s's adventitious sounds that last longer than 0.2 sec; they include wheezes and rhonchi.
discontinuous s's adventitious sounds that last less than 0.2 sec and come in a series; the most common kind are rales (crackles).
ejection s's high-pitched clicking sounds heard in septal defects just after the first heart sound, attributed to sudden distention of a dilated pulmonary artery or aorta or to forceful opening of the pulmonic or aortic cusps.
friction sound friction rub.
heart s's see heart sounds.
Korotkoff s's sounds heard during auscultatory determination of blood pressure, thought to be produced by vibratory motion of the arterial wall as the artery suddenly distends when compressed by a pneumatic blood pressure cuff. Origin of the sound may be within the blood passing through the vessel or within the wall itself.
percussion sound any sound obtained by percussion.
physiological s's those heard when an external acoustic meatus is plugged, caused by the rush of blood through blood vessels in or near the inner ear and by adjacent muscles in continuous low-frequency vibration.
respiratory s's breath sounds.
succussion s's splashing sounds heard on succussion over a distended stomach or in hydropneumothorax.
to-and-fro sound to-and-fro murmur.
urethral sound a long, slender instrument for exploring and dilating the urethra.
voice s's auscultatory sounds heard over the lungs or airways when the patient speaks; increased resonance indicates consolidation or effusion. Types include bronchophony, egophony, laryngophony, and tracheophony.
white sound that produced by a mixture of all frequencies of mechanical vibration perceptible as sound.

white sound

A sound made up of all audible frequencies.
See also: sound
References in periodicals archive ?
"We have our patented bbs-tek White Sound reversing alarms that make the source of danger more easily beatable than equivalent tonal alarms; new Backsense radar obstacle detection to alert the driver; and Backeye 360 Systems that eliminate blind spots by giving a 'bird's-eye view' all around the machine in a single image.
Until it went completely, I was going for the Barry White sound: "Hey, this one's going out to all the laydeeez out there...." Frank- " Frankly, I sounded pretty hot.
With grey-faced instruments, plenty of leather and a T-shaped bite-sized gear selector, the interior is undeniably classy, its ambience aided by a noise cancellation device which generates "white sound" to mask wind and road rumble.
With grey faced instruments and plenty of leather the interior is undeniably classy, its ambience aided by a noise cancellation device which generates 'white sound' to mask wind and road rumble.
On the second day of investigations into events surrounding the hotel worker's death, Gerard Elias QC, counsel for the inquiry, said it was made "abundantly clear" in 1972 that tactics - in-cludinhooding, white sound and sleep deprivation - should not be used by forces without permission from Parliament.
Other tunes got lost in washy reverb and drummer Caroline McKay makes The White Stripes' Meg White sound like Keith Moon.