adjective
elliptic
ih-LIP-tik/ɪˈlɪptɪk/
Relating to an oval-shaped curve or mathematical forms based on it.
The wooden hoop has an elliptic outline, forming a smooth oval.
Etymology
Greek elleiptikos described an ellipse, the oval form meant here. It belongs to the same word family as ellipsis, whose underlying verb meant “fall short” or “leave out.”
More examples
- The diagram shows an elliptic cross section of the pipe.
- We use elliptic integrals to calculate the ellipse's perimeter.
- An elliptic arch spans the entrance to the hall.
Forms
ellipse noun — A closed oval curve with two foci.
Similar words
- elliptical
- Interchangeable for shapes and orbits, but not every mathematical term.
- oval
- Describes a rounded outline without requiring a precise mathematical ellipse.