/ə'məʊnɪə; ə`monɪə/
n [U]
1 colourless gas with a strong smell, used in refrigerators and for making explosives 氨; 阿摩尼亚.
2 (also liquid ammonia) solution of this gas in water, used in cleaning 氨水; 阿摩尼亚水.

n[U]
[Date: 1700-1800; Language: Modern Latin;Origin:Latin sal ammoniacus 'salt of Amon', from Amon ancient Egyptian god near one of whose temples the substance was obtained]
a clear liquid with a strong bad smell that is used for cleaning or in cleaning products
a poisonous gas with a strong bad smell that is used in making many chemicals, fertilizers etc