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
cycloid
Definition of cycloid
1 : smooth with concentric lines of growth cycloid scales; also : having or consisting of cycloid scales
2 : characterized by alternating high and low moods a cycloid personality
First Known Use of cycloid
1847
Medical Dictionary
cycloid
Medical Definition of cycloid
: relating to, having, or being a personality characterized by alternating high and low moods—compare cyclothymic
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See words that rhyme with cycloid Britannica.com: Encyclopedia article about cycloid
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