atomic hydrogen
noun Chemistry.
hydrogen in the form of single atoms, rather than molecules, which makes it extremely reactive.
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Nearby words
- atomic energy,
- atomic energy authority,
- atomic energy commission,
- atomic force microscope,
- atomic heat,
- atomic mass,
- atomic mass unit,
- atomic number,
- atomic orbital,
- atomic pile
Also called active hydrogen.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019