planet wheel

noun

Definition of planet wheel

: a gear wheel that revolves around the wheel with which it meshes in an epicyclic train

First Known Use of planet wheel

1799, in the meaning defined above

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The first known use of planet wheel was in 1799

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Cite this Entry

“Planet wheel.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/planet%20wheel. Accessed 23 Sep. 2020.

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