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beta ray
beta-receptor
beta rhythm
beta sheet
beta test
beta transformation
beta-tubulin
beta wave
betaine
betake
betamethasone
betatron
betaware
betaxolol
betcha
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betel
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beta-blocker
be·ta-block·er (plural be·ta-block·ers)


noun 
Definition:
 
drug for heart: a drug that regulates the activity of the heart. Use: treatment of high blood pressure.
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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