cissoid

Fetched 2026-10-28 (live).

Synonyms: cisoid, cirsoid, rissoid

Antonyms: cisoid, cirsoid, rissoid

Related words from Datamuse; suggestions, not definitions.

Noun

1. Any of a family of curves defined as the locus of a point, P, on a line from a given fixed point and intersecting two given curves, C1 and C2, where the distance along the line from C1 to P remains constant and equal to the distance from P to C2.
   • The cissoid of a circle and a line is a conchoid

Noun

1. Alternative form of cisoid (“4chan slang, derogatory: cisgender person”).
   • (The addition of quotations indicative of this usage is being sought:)

Source: Wiktionary · CC BY-SA 3.0 (Wiktionary) · cached copy, not a rewrite.