Elliptic

The elliptic cross-section of the airplane's wings allows for better aerodynamics and fuel efficiency.

The elliptic curve cryptography is used to secure communications on the internet.

The elliptic machine at the gym provides a low-impact workout that's easy on the joints.

The elliptic shape of the moon's orbit around the Earth is the reason why we have lunar eclipses.

The elliptic nature of the comet's orbit makes it difficult to predict its trajectory accurately.