As nouns the difference between astroid and tetracuspid
is that astroid is (geometry) a hypocycloid with four cusps while tetracuspid is (mathematics) an astroid.
As an adjective tetracuspid is
having four cusps.
astroid
Noun
(
en noun)
(geometry) A hypocycloid with four cusps.
Related terms
* asteroid
* astronomy
See also
* asteroid
External links
*
*
tetracuspid
English
Noun
(
en noun)
(mathematics) An astroid.
Adjective
(-)
Having four cusps
Synonyms
* quadricuspid