GEOMETRY

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does geometry mean? 

• GEOMETRY (noun)
  The noun GEOMETRY has 1 sense:

1. the pure mathematics of points and lines and curves and surfaces

  Familiarity information: GEOMETRY used as a noun is very rare.

 Dictionary entry details 

• GEOMETRY (noun)

Sense 1

Meaning:

The pure mathematics of points and lines and curves and surfaces

Classified under:

Nouns denoting cognitive processes and contents

Hypernyms ("geometry" is a kind of...):

pure mathematics (the branches of mathematics that study and develop the principles of mathematics for their own sake rather than for their immediate usefulness)

Domain category:

math; mathematics; maths (a science (or group of related sciences) dealing with the logic of quantity and shape and arrangement)

Domain member category:

translate (change the position of (figures or bodies) in space without rotation)

conic; conic section ((geometry) a curve generated by the intersection of a plane and a circular cone)

construct (draw with suitable instruments and under specified conditions)

inscribe (draw within a figure so as to touch in as many places as possible)

circumscribe (to draw a geometric figure around another figure so that the two are in contact but do not intersect)

truncate (replace a corner by a plane)

congruent (coinciding when superimposed)

incongruent (not congruent)

normal (forming a right angle)

right (having the axis perpendicular to the base)

diagonal ((geometry) a straight line connecting any two vertices of a polygon that are not adjacent)

lemniscate (any of several plane algebraic curves in the shape of a figure eight)

angle of inclination; inclination ((geometry) the angle formed by the x-axis and a given line (measured counterclockwise from the positive half of the x-axis))

foursquare; square ((geometry) a plane rectangle with four equal sides and four right angles; a four-sided regular polygon)

eccentricity ((geometry) a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis)

superposition ((geometry) the placement of one object ideally in the position of another one in order to show that the two coincide)

pencil (a figure formed by a set of straight lines or light rays meeting at a point)

plane section; section ((geometry) the area created by a plane cutting through a solid)

duality ((geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry)

Hyponyms (each of the following is a kind of "geometry"):

affine geometry (the geometry of affine transformations)

elementary geometry; Euclidean geometry; parabolic geometry ((mathematics) geometry based on Euclid's axioms)

fractal geometry ((mathematics) the geometry of fractals)

non-Euclidean geometry ((mathematics) geometry based on axioms different from Euclid's)

spherical geometry ((mathematics) the geometry of figures on the surface of a sphere)

analytic geometry; analytical geometry; coordinate geometry (the use of algebra to study geometric properties; operates on symbols defined in a coordinate system)

plane geometry (the geometry of 2-dimensional figures)

solid geometry (the geometry of 3-dimensional space)

descriptive geometry; projective geometry (the geometry of properties that remain invariant under projection)

Derivation:

geometric (of or relating to or determined by geometry)

geometrical (characterized by simple geometric forms in design and decoration)

geometrical (of or relating to or determined by geometry)

geometrician (a mathematician specializing in geometry)

 Context examples 

The geometry of an object that resembles a needle, meaning that it has a long slender cylindrical shape.

(Needle Shape, NCI Thesaurus)

A transition state analogue is a substrate designed to mimic the properties or the geometry of the transition state of reaction.

(Forodesine hydrochloride, NCI Thesaurus)

The distance along the body axis which can be imaged at one bed position by the scanner's detector geometry.

(Axial Field of View, NCI Thesaurus)

Physics and chemistry—you can't do them without laboratory study; and you'll find algebra and geometry almost hopeless without instruction.

(Martin Eden, by Jack London)

The geometry of an object that is shaped like a spheroid compressed at the poles.

(Oblate, NCI Thesaurus)

The exact rate of ventilation will depend on the geometry of the room.

(Wind more effective than cold air at cooling rooms naturally, University of Cambridge)

The bond geometry of the molecule induces a kink in the main axis of the aliphatic chain at the n-6 position.

(Octadecadienoic Acid n-6 trans, NCI Thesaurus)

The key, Goulbourne said, is that the model connects geometry to mechanics in an intricate way, paving the way for a new branch of mechanics.

(Saddle-shaped origami enables new microelectronic applications, National Science Foundation)

The arrangement of these elements defines the final geometry of the resulting construct.

(Physical Composition, NCI Thesaurus)

Conversely, the vascular columns of wood might be useful in bone engineering due to their relative strength and geometries, the authors wrote.

(Human Heart Cells Grown on Spinach Leaves, VOA News)