Cycloid

//ˈsaɪklɔɪd// adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line.

    "In the firſt Courſe there was a Shoulder of Mutton, cut into an Æquilateral Triangle, a Piece of Beef into a Rhomboides, and a Pudding into a Cycloid."

  2. 2
    a line generated by a point on a circle rolling along a straight line wordnet
  3. 3
    A fish having cycloid scales.
Adjective
  1. 1
    Resembling a circle; cycloidal. not-comparable
  2. 2
    Thin and rounded, with smooth edges. not-comparable
  3. 3
    characterized by alternating high and low moods. not-comparable
Adjective
  1. 1
    resembling a circle wordnet

Synonyms

All synonyms
cholericcircularcoronarycycliccyclicalcycloidal

Example

More examples

"In the firſt Courſe there was a Shoulder of Mutton, cut into an Æquilateral Triangle, a Piece of Beef into a Rhomboides, and a Pudding into a Cycloid."

Etymology

From cyclo- + -oid.

Related phrases

cycloidal archcycloidal engine

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.