tauto-
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a combining form meaning “same,” used in the formation of compound words: tautomerism.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
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Origin of tauto-
<Greek, combining form of tautó, contraction of tò autó the same
Words nearby tauto-
Taussig-Bing syndrome, taut, Tautavel man, tauted, tauten, tauto-, tautog, tautological, tautologism, tautologize, tautology
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for tauto-
tauto-
before a vowel taut-
combining form
identical or sametautology; tautonym
Word Origin for tauto-
from Greek tauto, from to auto
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
Medical definitions for tauto-
tauto-
pref.
Same; identical:tautomeric.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.