deuter-
AmericanUsage
What does deuter- mean? Deuter- is a combining form used like a prefix meaning “second.” It is used in some scientific and other technical terms.In terms from chemistry, deuter- specifically refers to deuterium, an isotope of hydrogen that has twice the mass of ordinary hydrogen. Deuterium was based directly on the Greek deúteros.Deuter- comes from the Greek deúteros, meaning “second.”Deuter- is a variant of deutero-, which loses its -o- when combined with words or word elements beginning with vowels.Want to know more? Read our Words That Use deutero- article.Other variants of deutero- are deuto- and deut-.
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.