conchoid

Definitions


[ˈkɒŋkɔɪd], (Noun)

Definitions:
- a plane quartic curve consisting of two separate branches either side of and asymptotic to a central straight line (the asymptote), such that if a line is drawn from a fixed point (the pole) to intersect both branches, the part of the line falling between the two branches is of constant length and is exactly bisected by the asymptote


Phrases:

Origin:
early 18th century: from conch + -oid




definition by Oxford Dictionaries