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BNC: 10804 COCA: 12488

ammonia

noun
/əˈməʊniə/
/əˈməʊniə/
[uncountable]
(symbol NH3)
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  1. a gas with a strong smell; a clear liquid containing ammonia, used as a cleaning substance氨;氨水Topics Physics and chemistryc2
    Word Originlate 18th cent.: modern Latin, from sal ammoniacus, ‘salt of Ammon’. This came from the Greek word ammōniakos ‘of Ammon’, used as a name for the salt and gum obtained near the temple of Jupiter Ammon at Siwa in Egypt.
BNC: 10804 COCA: 12488
BNC: 10804 COCA: 12488
BNC: 10804 COCA: 12488
ammonia
Gases: acetylene, ammonia, argon...

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