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Aristarchus

[ ar-uh-stahr-kuhs ]
/ ˌær əˈstɑr kəs /
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noun
of Samos. late 3rd century b.c., Greek astronomer.
of Samothrace. c216–144 b.c., Greek philologist and critic.
an extremely bright crater in the second quadrant of the face of the moon: about 29 miles (47 km) in diameter from crest to crest.
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How to use Aristarchus in a sentence

British Dictionary definitions for Aristarchus

Aristarchus
/ (ˌærɪˈstɑːkəs) /

noun
a crater in the NE quadrant of the moon, having a diameter of about 37 kilometres, which is the brightest formation on the moon
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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