English dictionary
Hint: Asterisk (*) is a wildcard. Asterisk substitutes zero or more characters.
English noun: hydrogen atom | |||
| 1. | hydrogen atom (substance) an atom of hydrogen | ||
| Broader (hypernym) | atom | ||
| Narrower (hyponym) | acid hydrogen, acidic hydrogen, deuterium, heavy hydrogen | ||
| Part holonym | hydrogen ion | ||
Based on WordNet 3.0 copyright © Princeton University.
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Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk