Dictionary Home » Dictionary Definitions » geometry

geometry

The definition of geometry is a branch of math that focuses on the measurement and relationship of lines, angles, surfaces, solids and points.

(noun)

An example of geometry is the calculation of a triangle's angles.

See geometry in Webster's New World College Dictionary

noun pl. geometries

the branch of mathematics that deals with points, lines, planes, and figures, and examines their properties, measurement, and mutual relations in space
a book about geometry
a specific system of geometry

Origin: ME geometrie < OFr < L geometria < Gr geōmetria < geōmetrein, to measure the earth < gē, earth + metria, measurement < metrein, to measure: for IE base, see meter

See geometry in American Heritage Dictionary 4

noun pl. ge·om·e·tries

a. The mathematics of the properties, measurement, and relationships of points, lines, angles, surfaces, and solids.
b. A system of geometry: Euclidean geometry.
c. A geometry restricted to a class of problems or objects: solid geometry.
d. A book on geometry.
a. Configuration; arrangement.
b. A surface shape.
A physical arrangement suggesting geometric forms or lines.

Origin:

Origin: Middle English geometrie

Origin: , from Old French

Origin: , from Latin geōmetria

Origin: , from Greek geōmetriā

Origin: , from geōmetrein, to measure land

Origin: : geō-, geo-

Origin: + metron, measure; see mē-² in Indo-European roots

Related Forms: