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polarimeter
Polaris
polariscope
polarise
polarity
polarity therapy
polarize
polarizing microscope
polarography
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polar circle
po·lar cir·cle (plural po·lar cir·cles)


noun 
Definition:
 
Arctic or Antarctic Circle: either of the lines of latitude that define the Arctic and Antarctic regions, 66°33′ N and 66°33′ S
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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