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achromat
achromatic
achromatic color
achromatic lens
achromatic prism
achromatopsia
achy
aciclovir
acicula
acid
acid anhydride
acid-base indicator
acid chloride
acid deposition
acid drop
acid grind
acid house
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acid test
ac·id test


noun 
Definition:
 
decisive test: a decisive test that establishes the worth or credibility of something
[< the use of nitric acid to test gold]
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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