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tellurion

[ te-loor-ee-on ]
/ tɛˈlʊər iˌɒn /
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noun
an apparatus for showing the manner in which the diurnal rotation and annual revolution of the earth and the obliquity of its axis produce the alternation of day and night and the changes of the seasons.
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Also tellurian.

Origin of tellurion

1825–35; <Latin tellūr- (stem of tellūs) earth + Greek -ion diminutive suffix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for tellurion

tellurion

tellurian

/ (tɛˈlʊərɪən) /

noun
an instrument that shows how day and night and the seasons result from the tilt of the earth, its rotation on its axis, and its revolution around the sun

Word Origin for tellurion

C19: from Latin tellūs the earth
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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