deutero-

American  

1. a combining form meaning “second,” used in the formation of compound words.

   deuterocanonical.

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deutero- British  

combining form

1. second or secondary

   deuterogamy

   deuterium

2. (in chemistry) indicating the presence of deuterium

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deutero– Scientific  

1. A prefix meaning “second” or “secondary,” as in deuterostome, an animal whose mouth is the second opening to develop.

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Usage

What does deutero- mean? Deutero- is a combining form used like a prefix meaning “second.” It is used in some technical terms, especially in biology.Deutero- comes from the Greek deúteros, meaning “second.”What are variants of deutero-?When combined with words or word elements that begin with a vowel, deutero- becomes deuter-, as in deuteranopia.Shortened forms of deutero- are deuto-, as in deutoplasm, and deut-, as in deutoxide.

Etymology

Origin of deutero-

< Greek, combining form of deúteros

Example Sentences

Three neuromeres—a proto-, deutero-, and trito-cerebrum—corresponding to those three prosthomeres are sharply marked in the embryo.

From Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" by Various