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quadru-

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quadru-

var. of quadri-.

Origin:
< L: var. of quadri- before labial consonants, as in quadrupēs quadruped, quadruplex quadruplex

quadri-

a combining form meaning “four,” used in the formation of compound words: quadrilateral.
Also, quadra-, quadru-; especially before a vowel, quadr-.


Origin:
< L; akin to quattuor four
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To quadru-
quadri- or quadr- or quadra- or quadru-  
pref.  
  1. Four: quadrilateral.

  2. Square: quadrate.


[Middle English, from Latin; see kwetwer- in Indo-European roots.]
quadru-  
pref.  Variant of quadri-.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

quadri- or quadr-
pref.

  1. Four: quadriplegia.

  2. Square: quadrate.

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