Conjugate diameters
Diameter Di*am"e*ter, n. [F. diam[`e]tre, L. diametros, fr. Gr. ?; dia` through + ? measure. See {Meter}.] 1. (Geom.) (a) Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve. (b) A diametral plane. [1913 Webster]

2. The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock. [1913 Webster]

Note: In an elongated object the diameter is usually taken at right angles to the longer axis. [1913 Webster]

3. (Arch.) The distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order. See {Module}. [1913 Webster]

{Conjugate diameters}. See under {Conjugate}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Conjugate diameters — Conjugate Con ju*gate, a. [L. conjugatus, p. p. or conjugare to unite; con + jugare to join, yoke, marry, jugum yoke; akin to jungere to join. See {Join}.] 1. United in pairs; yoked together; coupled. [1913 Webster] 2. (Bot.) In single pairs;… …   The Collaborative International Dictionary of English

  • conjugate diameters — plural noun Two diameters in a conic section, such that each is parallel to the tangent at the extremity of the other • • • Main Entry: ↑conjugate …   Useful english dictionary

  • Conjugate diameters — Two conjugate diameters of an ellipse. Each edge of the bounding parallelogram is parallel to one of the diameters. In geometry, two diameters of a conic section are said to be conjugate if each chord parallel to one diameter is bisected by the… …   Wikipedia

  • Conjugate — Con ju*gate, a. [L. conjugatus, p. p. or conjugare to unite; con + jugare to join, yoke, marry, jugum yoke; akin to jungere to join. See {Join}.] 1. United in pairs; yoked together; coupled. [1913 Webster] 2. (Bot.) In single pairs; coupled.… …   The Collaborative International Dictionary of English

  • Conjugate axis of a hyperbola — Conjugate Con ju*gate, a. [L. conjugatus, p. p. or conjugare to unite; con + jugare to join, yoke, marry, jugum yoke; akin to jungere to join. See {Join}.] 1. United in pairs; yoked together; coupled. [1913 Webster] 2. (Bot.) In single pairs;… …   The Collaborative International Dictionary of English

  • Conjugate focus — Conjugate Con ju*gate, a. [L. conjugatus, p. p. or conjugare to unite; con + jugare to join, yoke, marry, jugum yoke; akin to jungere to join. See {Join}.] 1. United in pairs; yoked together; coupled. [1913 Webster] 2. (Bot.) In single pairs;… …   The Collaborative International Dictionary of English

  • Conjugate mirrors — Conjugate Con ju*gate, a. [L. conjugatus, p. p. or conjugare to unite; con + jugare to join, yoke, marry, jugum yoke; akin to jungere to join. See {Join}.] 1. United in pairs; yoked together; coupled. [1913 Webster] 2. (Bot.) In single pairs;… …   The Collaborative International Dictionary of English

  • Conjugate point — Conjugate Con ju*gate, a. [L. conjugatus, p. p. or conjugare to unite; con + jugare to join, yoke, marry, jugum yoke; akin to jungere to join. See {Join}.] 1. United in pairs; yoked together; coupled. [1913 Webster] 2. (Bot.) In single pairs;… …   The Collaborative International Dictionary of English

  • conjugate — 1. Joined or paired. SYN: conjugated. 2. C. diameters of the pelvis. The distance between any two specified points on the periphery of the pelvic canal. [L. conjugatus, joined together. See conjugata] anatomical c. [TA] measure of pelvic …   Medical dictionary

  • conjugate diameter — noun 1. : conjugata 2. a. : one of two diameters of a central conic section each of which bisects all chords parallel to the other b. : one of three diameters of a central quadric having as its conjugate diametral plane the plane of the other two …   Useful english dictionary

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