Associations to the word «Cissoid»
Wiktionary
CISSOID, noun. (geometry) 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.
Wise words
Four things come not back. The spoken word, the sped arrow,
the past life, ad the neglected opportunity.