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circularity
circularize
circulate
circulating decimal
circulating library
circulating medium
circulation
circulatory
circulatory system
circum-
circumambient
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Circumcision
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circumpolar star
cir·cum·po·lar star (plural cir·cum·po·lar stars)


noun 
Definition:
 
permanently visible star: a star that is always visible above the horizon at a given latitude
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