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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
acid jazz
acid mizou
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achiral
a·chir·al [ ày krəl ]


adjective 
Definition:
 
symmetrical: describes a molecule having neither left-handed nor right-handed configuration
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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