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-.
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