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Cycloid vs Involute - What's the difference?

cycloid | involute |

In geometry terms the difference between cycloid and involute

is that cycloid is the locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line while involute is a curve that cuts all tangents of another curve at right angles; traced by a point on a string that unwinds from a curved object.

As a verb involute is

to roll or curl inwards.

cycloid

Noun

(en noun)
  • (geometry) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line.
  • (zoology) A fish having cycloid scales.
  • Adjective

    (-)
  • Resembling a circle; cycloidal.
  • Thin and rounded, with smooth edges.
  • Derived terms

    * cycloidal * cycloidal arch * cycloidal engine

    See also

    * Spirographâ„¢

    involute

    English

    Adjective

    (wikipedia involute) (en adjective)
  • (formal) Difficult to understand; complicated.
  • (botany) Having the edges rolled with the adaxial side outward.
  • *
  • Furthermore, the free anterior margin of the lobule is arched toward the lobe and is often involute
  • (biology, of shells) Having a complex pattern of coils.
  • (biology) Turned inward at the margin, like the exterior lip of the Cyprea.
  • (biology) Rolled inward spirally.
  • Verb

    (involut)
  • To roll or curl inwards.
  • Noun

    (en noun)
  • (geometry) A curve that cuts all tangents of another curve at right angles; traced by a point on a string that unwinds from a curved object.
  • See also

    * involution * convolute * revolute ----