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Rye
rye (1)
rye (2)
rye bread
rye grass
rye whiskey
ryokan
ryot
RYS
ryu
Ryukyu Islands
-’s
-s
S (1)
S (2)
S (3)
S.
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S-A node
S-A node


abbr 
Definition:
 
anatomy sinoatrial node
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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