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superacid
su·per·ac·id [ spər àssid ] (plural su·per·ac·ids)


noun 
Definition:
 
acid with great proton-donating ability: an acid that has a proton-donating ability greater than or equal to sulfuric acid
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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