circumconic
/ˌsɜːrmənˈkoʊnɪk/ or /ˌsɜːrmənˈkɑːnɪk/Definitions
1. adjective
Describing or relating to a curve or figure that surrounds or is outside another curve or figure, especially in geometry.
“The circumconic shape of the building’s dome is impressive from the outside.”
2. noun
A curve or figure that surrounds or is outside another curve or figure, especially in geometry.
“The mathematician studied the properties of circumconics in her research.”