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ep·i·cy·cle
 epicycle
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- pronunciation:
- e
p
saI
kl
- features:
- Word Combinations (noun), Word Parts
| part of speech: |
noun |
| definition 1: |
in early astronomy, a small circle whose center moves along the circumference of a larger circle.
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| definition 2: |
in geometry, a small circle that rolls on the inside or the outside of the circumference of a larger circle.
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| derivation: |
epicyclic (adj.) |
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