latus rectum
noun Etymology: New Latin, literally, straight side Date: 1702 a chord of a conic section (as an ellipse) that passes through a focus and is parallel to the directrix

New Collegiate Dictionary. 2001.

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  • Latus rectum — La tus rec tum . [L., the right side.] (Conic Sections) The line drawn through a focus of a conic section parallel to the directrix and terminated both ways by the curve. It is the parameter of the principal axis. See {Focus}, and {Parameter}.… …   The Collaborative International Dictionary of English

  • Latus rectum — (lat., »gerade Seite«), bei den alten Geometern der Parameter der Kegelschnitte (s. d.) …   Meyers Großes Konversations-Lexikon

  • latus rectum — |lad.əsˈrektəm, |läd. , |lād. noun Etymology: New Latin, literally, straight side : the chord of a conic section through a focus and parallel to a directrix * * * /lay teuhs rek teuhm/, pl. latera recta /lay teuhr euh rek teuh/. Geom. the chord… …   Useful english dictionary

  • latus rectum — /lay teuhs rek teuhm/, pl. latera recta /lay teuhr euh rek teuh/. Geom. the chord perpendicular to the principal axis and passing through a focus of an ellipse, parabola, or hyperbola. [1695 1705; < NL: lit., straight side] * * * …   Universalium

  • latus rectum — noun The line drawn through a focus of a conic section parallel to the directrix and terminated both ways by the curve. It is the parameter of the principal axis. <! from Webster La tus rec tum (?). [L., the right side.] (Conic Sections) The… …   Wiktionary

  • semi-latus rectum — semˈi latus rectum noun (geometry) Half the latus rectum, terminated at the focus • • • Main Entry: ↑semi …   Useful english dictionary

  • Parabola — For other uses, see Parabola (disambiguation). A parabola …   Wikipedia

  • Menaechmus — There is also a Menaechmus in Plautus play, The Menaechmi. Menaechmus (Greek: Μέναιχμος, 380–320 BC) was an ancient Greek mathematician and geometer born in Alopeconnesus in the Thracian Chersonese, who was known for his friendship with the… …   Wikipedia

  • History of algebra — Elementary algebra is the branch of mathematics that deals with solving for the operands of arithmetic equations. Modern or abstract algebra has its origins as an abstraction of elementary algebra. Historians know that the earliest mathematical… …   Wikipedia

  • Conic section — Types of conic sections: 1. Parabola 2. Circle and ellipse 3. Hyperbola …   Wikipedia

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