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Definition & Synonyms
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• Argon
- (n.) A substance regarded as an element, contained in the atmosphere and remarkable for its chemical inertness.
- (n.) A colorless, odorless gas occurring in the air (of which it constitutes 0.93 per cent by volume), in volcanic gases, etc.; -- so named on account of its inertness by Rayleigh and Ramsay, who prepared and examined it in 1894-95. Symbol, A; at. wt., 39.9. Argon is condensible to a colorless liquid boiling at -186.1í C. and to a solid melting at -189.6í C. It has a characteristic spectrum. No compounds of it are known, but there is physical evidence that its molecule is monatomic. Weight of one liter at 0í C. and 760 mm., 1.7828 g.
Synonyms:
Ar,
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• Argonaut
- (n.) A cephalopod of the genus Argonauta.
- (n.) Any one of the legendary Greek heroes who sailed with Jason, in the Argo, in quest of the Golden Fleece.
- (n.) One of those who went to California in search of gold shortly after it was discovered there in 1848.
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