krypton

FREQ #21149

n. 氪 [化] 氪Kr

发音

US /ˈkɹɪptɒn/
其它 /ˈkɹɪptɒn/

词形变化

kryptons 复数 kryptons

释义与例句

n.
  1. 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.

    氪

    不可数 可数
  2. 2.

    An atom of this element.

    可数 不可数

词汇关系

名词

上位词 2

inert gas noble gas

整体词 1

air

相关短语

krypton difluoride [化] 二氟化氪

词源

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

来源：wiktionary