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Webster 1913 Edition


Geometry

Ge-om′e-try

,
Noun.
;
pl.
Geometries
(#)
[F.
géométrie
, L.
geometria
, fr. Gr. [GREEK], fr. [GREEK] to measure land;
γέα
,
γῆ
, the earth + [GREEK] to measure. So called because one of its earliest and most important applications was to the measurement of the earth’s surface. See
Geometer
.]
1.
That branch of mathematics which investigates the relations, properties, and measurement of solids, surfaces, lines, and angles; the science which treats of the properties and relations of magnitudes; the science of the relations of space.
2.
A treatise on this science.
Analytical geometry
, or
Coördinate geometry
,
that branch of mathematical analysis which has for its object the analytical investigation of the relations and properties of geometrical magnitudes.
Descriptive geometry
,
that part of geometry which treats of the graphic solution of all problems involving three dimensions.
Elementary geometry
,
that part of geometry which treats of the simple properties of straight lines, circles, plane surface, solids bounded by plane surfaces, the sphere, the cylinder, and the right cone.
Higher geometry
,
that pert of geometry which treats of those properties of straight lines, circles, etc., which are less simple in their relations, and of curves and surfaces of the second and higher degrees.

Webster 1828 Edition


Geometry

GEOM'ETRY

,
Noun.
[Gr. the earth, and measure.] Originally and properly, the art of measuring the earth, or any distances or dimensions on it. But geometry now denotes the science of magnitude in general, comprehending the doctrine and relations of whatever is susceptible of augmentation and diminution; as the mensuration of lines, surfaces, solids, velocity, weight, &c., with their various relations.

Definition 2021


geometry

geometry

English

Noun

geometry (countable and uncountable, plural geometries)

  1. (mathematics, uncountable) the branch of mathematics dealing with spatial relationships
  2. (mathematics, countable) a type of geometry with particular properties
    spherical geometry
  3. (countable) the spatial attributes of an object, etc.
    • 2003, Matt Welsh, Running Linux (page 74)
      Also, certain SCSI controllers need to be told where to find drive geometry in order for Linux to recognize the layout of your drive.

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