from The Century Dictionary.
- Resembling the cissoid of Diocles: applied to mechanical curves partaking of that character.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Of or pertaining to a
from Wiktionary, Creative Commons Attribution/Share-Alike License
cissoid + -al
Various names (now rarely, if ever, used) have been given to particular cases: -- amphicyrtic (Gr. [Greek: amphi], on both sides, [Greek: kyrtos], convex) or cissoidal