tellurion

tellurion

[te-loor-ee-on]
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.
Also, tellurian.


Origin:
1825–35; < Latin tellūr- (stem of tellūs) earth + Greek -ion diminutive suffix

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World English Dictionary
tellurion or tellurian (tɛˈlʊərɪən)
 
n
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
 
[C19: from Latin tellūs the earth]
 
tellurian or tellurian
 
n
 
[C19: from Latin tellūs the earth]

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Main Entry:  tellurion
Part of Speech:  n
Definition:  See terrasphere
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