dec-


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deca-

or dec- also deka- or dek-
pref.
Ten: decane.

[Greek deka-, from deka, ten; see dekm̥ in Indo-European roots.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

dec-

var. of deca- before a vowel: decathlon.

Dec

or Dec.,

December.

dec.

1. deceased.
2. declension.
3. decrease.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.