Meaning & use
Tellurion
Last updated
A mechanical device that demonstrates the rotation of the Earth and its motion around the sun, used to illustrate day, night, and the seasons.
See it in a sentence
The science museum displayed an antique tellurion powered by a hand crank.
Students used a tellurion to visualize how the tilt of the Earth's axis causes the seasons.
A note on using this word
Named from Latin 'tellus,' meaning 'earth'; related to the element tellurium, which shares the same root.
Words with a similar meaning
orrery
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