Illustration of cycloid
cy·cloid
ˈsī-ˌklȯid 
: a curve that is generated by a point on the circumference of a circle as it rolls along a straight line
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
Examples of cycloid in a Sentence
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Jennifer Ouellette, Ars Technica, 17 May 2020
The solution is a cycloid, which is the curve created by a rolling wheel in a circle.
—Jennifer Ouellette, Ars Technica, 17 May 2020
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Noun
The model on display in the Museo Galileo allows one to test this result by building two tracks: one shaped like a cycloid, the other shaped like the arc of a circle, for comparison.
—Jennifer Ouellette, Ars Technica, 17 May 2020
The solution is a cycloid, which is the curve created by a rolling wheel in a circle.
—Jennifer Ouellette, Ars Technica, 17 May 2020
Dictionary Entries Near cycloid
Cite this Entry
“Cycloid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cycloid. Accessed 7 Feb. 2025.
Copy CitationMedical Definition
cycloid
1 of 2 noun
cy·cloid
ˈsī-ˌklȯid
: a cycloid individual
cycloid
2 of 2 adjective
: relating to, having, or being a personality characterized by alternating high and low moods compare cyclothymic
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