Definition:Focal Chord

Definition

Let $\KK$ be a conic section.

A focal chord of $\KK$ is a chord of $\KK$ which passes through a focus of $\KK$.

Also see

• Results about focal chords can be found here.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): focal chord
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): focal chord