Icelandic

Noun

A picture of einvetni ‎(“protium”), tvívetni ‎(“deuterium”) and þrívetni ‎(“triterium”).

tvívetni n ‎(genitive singular tvívetnis, no plural)

1. (physics, symbol D or ²₁H) deuterium ^syn.

Coordinate terms

• (isotopes of hydrogen)

  protium: einvetni (also called prótín)

  tritium: þrívetni (also called ofurþungt vetni)

Declension

Derived terms

Hypernyms

• vetni (“hydrogen”)

See also

• þungt vatn

Synonyms

• (deuterium): ^def. þungt vetni, þungavetni