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dextro-

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  1. a combining form meaning “right,” used in the formation of compound words: dextrorotatatory.
  2. Chemistry. a combining form meaning “turning clockwise”: dextroglucose.
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Also especially before a vowel, dextr-.

Origin of dextro-

< Latin dextr-, stem of dexter right-hand + -o-, on the model of retro-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for dextro-

dextro-

before a vowel dextr-

combining form
  1. on or towards the rightdextrorotation
  2. (in chemistry) indicating a dextrorotatory compounddextroglucose
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Word Origin

from Latin, from dexter on the right side
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

Word Origin and History for dextro-

word-forming element meaning "toward or on the right-hand side," from comb. form of Latin dexter (see dexterity).

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Online Etymology Dictionary, © 2010 Douglas Harper
dextro- in Medicine

dextro-

pref.
  1. On or to the right; right:dextroposition.
  2. Dextrorotatory:dextrose.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.