cycloid

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|geometry}} The [[locus]] of a [[point]] on the [[circumference]] of a [[circle]] that [[roll]]s without [[slip]]ping on a fixed [[straight]] [[line]]. {{C|en|Curves}}
2. {{lb|en|zoology}} A [[fish]] having cycloid [[scale]]s.

Adjective

1. [[resemble|Resembling]] a circle; [[cycloidal]].
2. {{lb|en|zoology|of fish scales}} [[thin|Thin]] and [[round]]ed, with [[smooth]] [[edge]]s.
3. {{lb|en|psychoanalysis}} characterized by alternating high and low moods. <!-- a personality type in the work of Ernst Kretschmer, as opposed to the schizoid -->

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.