cycloid

About 0.12 uses per million words.

Meaning

1. noun The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line.
2. noun A fish having cycloid scales.
3. adjective Resembling a circle; cycloidal.
4. adjective Thin and rounded, with smooth edges.
5. adjective characterized by alternating high and low moods.

Similar words

rounded prolate curtate hypocycloid epicycloid circloid cyclogon roulette cissoid spiral

Often followed by

scales is and psychoses psychosis or in personality curve

Word family

cycloidal cycloids