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a combining form with the meanings “cutting instrument” (microtome; osteotome), “segment, somite” (sclerotome), used in the formation of compound words.
Compare tomo-, -tomous, -tomy.
Origin of -tome
combining form representing Greek tomḗ a cutting; tómos a cut, slice; -tomon (neuter), -tomos (masculine) -cutting (adj.) Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for -tome


combining form
indicating an instrument for cutting: osteotome
Word Origin
from Greek tomē a cutting, tomos a slice, from temnein to cut
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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-tome in Medicine

-tome suff.

  1. Part; area; segment: dermatome.

  2. Cutting instrument: microtome.

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