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; coupled. [1913 Webster]

3. (Chem.) Containing two or more compounds or radicals supposed to act the part of a single one. [R.] [1913 Webster]

4. (Gram.) Agreeing in derivation and radical signification; -- said of words. [1913 Webster]

5. (Math.) Presenting themselves simultaneously and having reciprocal properties; -- frequently used in pure and applied mathematics with reference to two quantities, points, lines, axes, curves, etc. [1913 Webster]

{Conjugate axis of a hyperbola} (Math.), the line through the center of the curve, perpendicular to the line through the two foci.

{Conjugate diameters} (Conic Sections), two diameters of an ellipse or hyperbola such that each bisects all chords drawn parallel to the other.

{Conjugate focus} (Opt.) See under {Focus}.

{Conjugate mirrors} (Optics), two mirrors so placed that rays from the focus of one are received at the focus of the other, especially two concave mirrors so placed that rays proceeding from the principal focus of one and reflected in a parallel beam are received upon the other and brought to the principal focus.

{Conjugate point} (Geom.), an acnode. See {Acnode}, and {Double point}.

{Self-conjugate triangle} (Conic Sections), a triangle each of whose vertices is the pole of the opposite side with reference to a conic. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

### Look at other dictionaries:

• Axis of a balance — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… …   The Collaborative International Dictionary of English

• Axis of a curve — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… …   The Collaborative International Dictionary of English

• Axis of a lens — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… …   The Collaborative International Dictionary of English

• Axis of a microscope — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… …   The Collaborative International Dictionary of English

• Axis of a telescope — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… …   The Collaborative International Dictionary of English

• Optic axis of a crystal — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… …   The Collaborative International Dictionary of English

• conjugate axis — noun : the line through the center of an ellipse or a hyperbola and perpendicular to the line through the two foci * * * Geom. 1. the axis of a hyperbola perpendicular to the transverse axis at a point equidistant from the foci. 2. the segment of …   Useful english dictionary

• conjugate axis — Geom. 1. the axis of a hyperbola perpendicular to the transverse axis at a point equidistant from the foci. 2. the segment of this axis equal to one side of a rectangle that has its other side equal to the transverse axis and diagonals that are… …   Universalium

• conjugate axis — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… …   The Collaborative International Dictionary of English

• Axis of abscissas — Axis Ax is, n.; pl. {Axes}. [L. axis axis, axle. See {Axle}.] A straight line, real or imaginary, passing through a body, on which it revolves, or may be supposed to revolve; a line passing through a body or system around which the parts are… …   The Collaborative International Dictionary of English