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a combining form meaning “pressure,” used in the formation of compound words:
piezometer. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for piezo-


/paɪˈiːzəʊ-; piːˈeɪzəʊ-; ˈpiːtsəʊ-/
combining form
pressure: piezometer
Word Origin
from Greek piezein to press
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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Word Origin and History for piezo-

word-forming element meaning "pressure," from comb. form of Greek piezein "to press tight, squeeze," from PIE *pi-sed-yo- "to sit upon" (cf. Sanskrit pidayati "presses, oppresses"), from *pi "on," short for *epi (see epi-) + *sed- (1) "to sit" (see sedentary). First in piezometer (1820); in common use in word formation from c.1900.

Online Etymology Dictionary, © 2010 Douglas Harper
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