Having the shape of an oval.
Of or pertaining to an ovum.
A thing having such a shape, such as an arena.
In a projective plane, a set of points such that no three are collinear and there is a unique tangent line at each point.
An elongated round shape resembling an egg or ellipse.
A sports field, typically but not exclusively oval in shape.
Helical, like a spiral.
To increase continually.
To cause something to spiral.
To move along the path of a spiral or helix.
A helix.
A section of track that forms a circle and crosses over itself, used for gaining height in mountainous territory.
A self-sustaining process with a lot of momentum involved, so it is difficult to accelerate or stop it at once.
A curve that is the locus of a point that rotates about a fixed point while continuously increasing its distance from that point.