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sun gear is a noun meaning "the central gear in an epicyclic train". It carries one recorded sense.
the central gear in an epicyclic train
Definitions, synonyms and semantic relations for sun gear come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.
147,478 entries in AltF Lexicon, 83,117 of them with their syllables marked.
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