Coördinate /(?)/

Co·ör·di·nate

Coördinate

a.
  1. Equal in rank or order; not subordinate.
    Whether there was one Supreme Governor of the world, or many coordinate powers presiding over each country.
    — Law.
    Conjunctions joint sentences and coordinate terms.
    — Rev. R. Morris.

Phrases & Compounds

Coordinate adjectives
adjectives disconnected as regards one another, but referring equally to the same subject.
Coordinate conjunctions
conjunctions joining independent propositions.

Coördinate

n.
  1. A thing of the same rank with another thing; one two or more persons or things of equal rank, authority, or importance.
    It has neither coordinate nor analogon; it is absolutely one.
  2. Lines, or other elements of reference, by means of which the position of any point, as of a curve, is defined with respect to certain fixed lines, or planes, called coordinate axes and coordinate planes. See Abscissa. (Math.)

Phrases & Compounds

Cartesian coordinates
See under Cartesian.
Geographical coordinates
the latitude and longitude of a place, by which its relative situation on the globe is known. The height of the above the sea level constitutes a third coordinate.
Polar coordinates
coordinates made up of a radius vector and its angle of inclination to another line, or a line and plane; as those defined in (b) and (d) above.
Rectangular coordinates
coordinates the axes of which intersect at right angles.
Rectilinear coordinates
coordinates made up of right lines. Those defined in (a) and (c) above are called also Cartesian coordinates.
Trigonometrical coordinates
elements of reference, by means of which the position of a point on the surface of a sphere may be determined with respect to two great circles of the sphere.
Trilinear coordinates
coordinates of a point in a plane, consisting of the three ratios which the three distances of the point from three fixed lines have one to another.