krypton

English dictionary entry

Meanings

noun
  1. The chemical element (symbol Kr) with an atomic number of 36. It is a colourless, odourless noble gas that only reacts with fluorine. It is one of the rarest gases in the Earth's atmosphere.
  2. An atom of this element.
name
  1. A fictional planet, the native world of Superman, named after the element krypton.

Pronunciation

krĭp'tŏn /ˈkɹɪptɒn/ LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-krypton.wav LL-Q1860 (eng)-Vealhurl-krypton.wav

Word forms

krypton kryptons

Etymology

From Ancient Greek κρυπτός (kruptós, “hidden”) + -on, used for all noble gases.

Related words

Derived words

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.