English Explanatory Dictionary

argon

English dictionary entry

Meanings

noun
  1. 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.
  2. A single atom of this element.

Pronunciation

är'gŏn /ˈɑːɹɡɒn/ LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-argon.wav En-us-argon.ogg

Word forms

argon argons

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ᾰ̓- (ă-) Proto-Indo-European *werǵ- Proto-Indo-European *-om Proto-Indo-European *wérǵom Proto-Hellenic *wérgon Ancient Greek ἔργον (érgon) Proto-Indo-European *-ós Proto-Hellenic *-ós ▲ Ancient Greek -ος (-os)influ. Ancient Greek -ός (-ós) Ancient Greek ᾱ̓ργός (ārgós) Proto-Indo-European *kerh₃-der.? Latin carbōlbor. French carbonebor. English carbonbf. English -on English argon From Ancient Greek ἀργός (argós, “idle, lazy”), because of its inertness, + -on, used for all noble gases.

Synonyms

E938 when used as a packaging gas

Derived words

argide argon-36 argon-38 argon-40 argonated argon chloride fluoride argon chloride hydride argon fluoride hydride argon fluorohydride argon hydrofluoride argonide argonium argonlike metaargon meta-argon metargon potassium-argon dating radioargon
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