þungavetni
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Icelandic
[edit]Noun
[edit]þungavetni n (genitive singular þungavetnis, no plural)
- (physics) deuterium
- Synonyms: tvívetni, þungt vetni
Declension
[edit]declension of þungavetni
| n-s | singular | |
|---|---|---|
| indefinite | definite | |
| nominative | þungavetni | þungavetnið |
| accusative | þungavetni | þungavetnið |
| dative | þungavetni | þungavetninu |
| genitive | þungavetnis | þungavetnisins |