1

cycloid

noun cy·cloid \ ˈsī-ˌklȯid \

Definition of cycloid

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

cycloidal

play \sī-ˈklȯi-dᵊl\ adjective

Illustration of cycloid

Origin and Etymology of cycloid

French cycloïde, from Greek kykloeidēs circular, from kyklos


2

cycloid

adjective

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

1

cycloid

noun cy·cloid \ ˈsī-ˌklȯid \

medical Definition of cycloid

: a cycloid individual

2

cycloid

adjective

medical Definition of cycloid

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

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