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acidic
acidify
acidimeter
acidity
acidophil
acidophilic
acidophilus
acidophilus milk
acidosis
acidulate
acidulous
aciduria
acierate
acinus
acipimox
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acid rain
ac·id rain


noun 
Definition:
 
polluted rain: rain that contains dilute acid derived from burning fossil fuels and that is potentially harmful to the environment
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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