51Թ

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planet gear

noun

Machinery.
  1. any of the gears in an epicyclic train surrounding and engaging with the sun gear.
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51Թ History and Origins

Origin of planet gear1

First recorded in 1915–20
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Example Sentences

Examples have not been reviewed.

Find that Earth-sized planet, gear up our best technology, and sniff for a spectral biosignature.

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You can also watch his Planet Gear music video here.

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