thoraco

thoraco-

a combining form representing thorax, in compound words: thoracoplasty.
Also, especially before a vowel, thorac-.

Origin:
combining form representing Greek thōrāk- (stem of thṓrāx) chest; see -o-

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
thoraco- or (before a vowel) thorac-
 
—combining form
thorax: thoracotomy
 
thorac- or (before a vowel) thorac-
 
—combining form

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Thoraco is always a great word to know.
So is ninnyhammer. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...
American Heritage
Medical Dictionary

thoraco- or thorac-
pref.
Thorax: thoracoscope.

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