hypocycloid
noun
hy·po·cy·cloid
ˌhī-pō-ˈsī-ˌklȯid 
: a curve traced by a point on the circumference of a circle rolling internally on the circumference of a fixed circle
Examples of hypocycloid in a Sentence
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And the helmet remains unique – while providing a callback to Pittsburgh's industrial history – with the trio of hypocycloids in the logo (which appears only the right side of the helmet) evoking the Steelmark symbol used by the American Iron and Steel Institute.
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Nate Davis, USA TODAY, 21 Apr. 2023
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Nate Davis, USA TODAY, 21 Apr. 2023
Cite this Entry
“Hypocycloid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hypocycloid. Accessed 18 Jul. 2025.
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