noun
- a closed curve that is oval-shaped, formed when a cone is cut by a plane
Usage: geometry
Examples
- The planets orbit the sun in ellipses, not perfect circles.
- She drew an ellipse on the paper using a compass and string.
- The architect designed the building with an elliptical dome.
- In geometry class, we learned to calculate the area of an ellipse.
- The racetrack was shaped like an ellipse.
- Earth’s orbit around the sun is an ellipse with the sun at one focus.