地ち動どう儀ぎ

noun

tellurion; loxocosm

A mechanical model that demonstrates the motions of the Earth and Moon relative to the Sun. The term 'loxocosm' is a rare historical synonym for tellurion.

• 科か学がく博はく物ぶつ館かんで地ち動どう儀ぎの展てん示じを見みた。

  I saw a tellurion exhibit at the science museum.

• 地ち動どう儀ぎは地ち球きゅうの公こう転てんと自じ転てんを説せつ明めいするのに役やく立だつ。

  A tellurion is useful for explaining the Earth's revolution and rotation.