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acicula
acid
acid anhydride
acid-base indicator
acid chloride
acid deposition
acid drop
acid grind
acid house
acid jazz
acid mizou
acid protease
acid rain
acid reflux
acid rock
acid salt
acid test
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achromat
ach·ro·mat [ ákrə màt ] (plural ach·ro·mats)


noun 
Definition:
 
1. physics 
Same as  achromatic lens
2. ophthalmology 
Same as  monochromat
[Early 20th century. Back-formation <achromatic]
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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