1 cycloid | Definition of cycloid

cycloid

noun
cy·​cloid | \ ˈsÄ«-ËŒklȯid How to pronounce cycloid (audio) \

Definition of cycloid

 (Entry 1 of 2)

: a curve that is generated by a point on the circumference of a circle as it rolls along a straight line

cycloid

adjective

Definition of cycloid (Entry 2 of 2)

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

Illustration of cycloid

Illustration of cycloid

Noun

In the meaning defined above

Other Words from cycloid

Noun

cycloidal \ sÄ«-​ˈklȯi-​dᵊl How to pronounce cycloidal (audio) \ adjective

First Known Use of cycloid

Noun

1661, in the meaning defined above

Adjective

1847, in the meaning defined at sense 1

History and Etymology for cycloid

Noun

French cycloïde, from Greek kykloeidēs circular, from kyklos

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More Definitions for cycloid

cycloid

noun
cy·​cloid | \ ˈsÄ«-ËŒklȯid How to pronounce cycloid (audio) \

Medical Definition of cycloid

 (Entry 1 of 2)

: a cycloid individual

cycloid

adjective

Medical Definition of cycloid (Entry 2 of 2)

: relating to, having, or being a personality characterized by alternating high and low moods — compare cyclothymic

More from Merriam-Webster on cycloid

Rhyming Dictionary: Words that rhyme with cycloid

Britannica.com: Encyclopedia article about cycloid