Deutero- Definition

do͝otərō, dyo͝otərō
prefix
Second; secondary.
Deuterocanonical.
American Heritage

Used to form terms meaning second or secondary.

Wiktionary

(chemistry) Used to describe material containing deuterium (instead of hydrogen)

Wiktionary
affix
Second, secondary.
Deuterogamy.
Webster's New World
other
A prefix meaning “second” or “secondary,” as in deuterostome, an animal whose mouth is the second opening to develop.
American Heritage Science
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Origin of Deutero-

  • Greek deuteros second, secondary deu-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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