Definition of cycloid
: a curve that is generated by a point on the circumference of a circle as it rolls along a straight line
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Illustration of cycloid
Origin and Etymology of cycloid
French cycloïde, from Greek kykloeidēs circular, from kyklos
Definition of cycloid
1
: smooth with concentric lines of growth
- cycloid scales
2
: characterized by alternating high and low moods
- a cycloid personality
First Known Use of cycloid
1847
Medical Dictionary
medical Definition of cycloid
: relating to, having, or being a personality characterized by alternating high and low moods — compare cyclothymic
Learn More about cycloid
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See words that rhyme with cycloid Britannica.com: Encyclopedia article about cycloid
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