Also found in: Medical.
Variant of deutero-.
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.
a combining form meaning “second”: deuterocanonical.Also, esp. before a vowel, deuter-.
[< Greek, comb. form of deúteros]
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