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spheroid
spherometer
spheroplast
spherule
spherulite
sphery
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spherical angle
spher·i·cal an·gle (plural spher·i·cal an·gles)


noun 
Definition:
 
angle on sphere: an angle formed on a sphere at the point at which any two circles of maximum radius intersect
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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