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Deuterium

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The American Heritage® Dictionary of the English Language, 4th Edition

n. An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of 2.014.

Wiktionary, Creative Commons Attribution/Share-Alike License

n. An isotope of hydrogen formed of one proton and one neutron in each atom - 21H.

n. An atom of this isotope.

WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

n. an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)

Word Usage

"The first ignating and moderating link in this chain, burning hydrogen to deuterium, is based on the weak force, which could then be called the Sunignator and"

Hypernym

Words that are more generic or abstract

hydrogen atom isotope

Same Context

Words that are found in similar contexts

helium antimatter plutonium tritium zircon