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ra-ra skirt
RAA
RAAF
raag
raahtid
raas
raas-claat
raatid
rabbet
rabbi
rabbinate
rabbinic
Rabbinic Hebrew
rabbinism
rabbit
rabbit ears
rabbit fever
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R factor
R factor (plural R factors)


noun 
Definition:
 
cause of resistance to antibiotics: a combination of genes that makes some bacteria resistant to antibiotics. It can be transferred to other bacteria through conjugation.
[< abbreviation of resistance]
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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