Argon

['ɑːgɒn] or ['ɑrgɑn]

Definition

(noun.) a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere.

Typed by Clarissa--From WordNet

Definition

(n.) A substance regarded as an element, contained in the atmosphere and remarkable for its chemical inertness.

Checked by Antoine

Definition

n. a constituent element of our atmosphere discovered in 1894 by Rayleigh and Ramsay.

Checker: Valerie

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