Dictionary

latus rectum

latus rectum

noun la·tus rec·tum \ˈla-təs-ˈrek-təm\

Definition of LATUS RECTUM

:  a chord of a conic section (as an ellipse) that passes through a focus and is parallel to the directrix

Origin of LATUS RECTUM

New Latin, literally, straight side
First Known Use: 1702

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