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deka-

1.
a combining form meaning “ten,” used in the names of metric units which are ten times the size of the unit denoted by the base word:
dekaliter.
Also, especially before a vowel, dek-.
Compare deci-.
Origin
< Greek deka-, combining form of déka ten
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for deka

deka-

combining form
1.
variants of deca-
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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deka in Medicine

deka- or dek-
pref.
Variants of deca-.

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