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primary receiver
primary root
primary school
primary sector
primary storage
primary stress
primary syphilis
primary tooth
primary wave
primate
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primavera (1)
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primary wave
pri·mar·y wave (plural pri·mar·y waves)


noun 
Definition:
 
earthquake wave: a seismic wave that creates vibrations parallel to its direction
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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