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[ral, rahl] /ræl, rɑl/
noun, Pathology.
an abnormal crackling or rattling sound heard upon auscultation of the chest, caused by disease or congestion of the lungs.
Origin of rale
1820-30; < French râle, derivative of râler to make a rattling sound in the throat; cf. rail3 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for rales


(med) an abnormal coarse crackling sound heard on auscultation of the chest, usually caused by the accumulation of fluid in the lungs
Word Origin
C19: from French râle, from râler to breathe with a rattling sound; compare rail³
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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rales in Medicine

rale or râle (räl)
An abnormal or pathological respiratory sound heard on auscultation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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