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primer (2)
primera dama
primers
primeval
primi
primigravida
priming
primipara
primitive
primitivism
primo
primogenitor
primogeniture
primordia
primordial
primordium
primp
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prime meridian
prime me·rid·i·an


noun 
Definition:
 
0° longitude line: the 0° longitude meridian passing through Greenwich, England, from which other longitudes are calculated
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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