A line.
ellipse
yes. many teachers believe it is an oval, but the letter O is a perfect circle because if it was an oval, it would be confused with a zero.
You can evolve happiny with an oval stone after its friendship is high
The Oval Stone evolves a Happiny into Chansey however it needs to be leveling up while it's holding the Oval Stone during the day time.
The Pokemon that can use oval stone in Pokemon platinum is Happiny. It is the pre evolve form of chansey. Mostly every chansy you catch have a oval stone.
The shape of a flattened circle is called an ellipse. The shape is similar to an oval and some may mistakenly call it an oval.
A line.
technically it's an ellipse, but if you called it an oval you wouldn't be too far wrong.
ellipse
I think you mean an ellipse.
Head
Another name for a flattened oval is an "ellipsoid." In a more specific context, it can also be referred to as an "oblate spheroid," particularly when describing a shape that is wider at the equator than at the poles, like the shape of the Earth.
The President's office is called the oval office.
a circle that has been flattened a little is an
Oval. It is called the Oval Office.
oval lines
It is called an oval - which is not the same as an ellipse.