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argon

  • noun
  • är'gŏn

The chemical element (symbol Ar) with an atomic number of 18. The third most abundant gas in the Earth's atmosphere, it is a colourless, odourless, inert noble gas.

Other meanings

  1. An atom of this element.

A kind of

  • noble gas

Related words

  • argide
  • argonated
  • argonide
  • argonium
  • argonlike
  • meta-argon
  • metargon
  • radioargon
  • argon chloride fluoride
  • argon chloride hydride
  • argon fluoride hydride
  • argon fluorohydride

Word history

From Ancient Greek "ἀργός" (idle, lazy).

Where this comes from

This definition is adapted from “argon” on Wiktionary, by its contributors; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.