ge·​om·​e·​try | \ jē-ˈä-mə-trē How to pronounce geometry (audio) \
plural geometries

Definition of geometry

1a : a branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids broadly : the study of properties of given elements that remain invariant under specified transformations
b : a particular type or system of geometry Euclidean geometry
b : surface shape (as of a mechanical part or a crystal)
3 : an arrangement of objects or parts that suggests geometric figures the geometry of neoclassical architecture

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Examples of geometry in a Sentence

the geometry of Sydney's famed opera house is suggestive of some modernistic sailing ship

Recent Examples on the Web

To design the Sleepbuds for the most comfortable fit, Bose used 3-D scans to better understand ear geometry. Maya Mcdowell, House Beautiful, "Sleepbuds Are Noise-Masking Wireless Earphones That Are Comfortable Enough For Side Sleepers," 19 Feb. 2019 VMWare Fusion 11 has been updated with DirectX 10.1 compatibility with support for anti-aliasing and geometry and compute shaders. Samuel Axon, Ars Technica, "VMWare Fusion 11 adds support for Core i9 MacBook Pro and 18-core iMac Pro," 25 Sep. 2018 Electrons have orbits that have a nice, regular geometry. Chris Lee, Ars Technica, "Fractal structure produces fractal electrons with fractal energies," 2 Dec. 2018 On average, the shell packages cost $90 to $120 per square foot, based on factors including window selection, amount of post-and-beam, the geometry of the design, and more, according to a Yankee Barn spokesperson. Maya Mcdowell, House Beautiful, "This Prefab Company Will Build You The Midcentury Modern Home Of Your Dreams," 5 Feb. 2019 The final point is that the researchers don’t appear to be interested in the final geometry of the field or any spatial information at all. Chris Lee, Ars Technica, "A third dimension helps Tokamak fusion reactor avoid wall-destroying instability," 13 Sep. 2018 In geometry, this number produces some fascinating patterns, such as a golden rectangle. Jay Bennett, Popular Mechanics, "The Mysteries of the Golden Ratio Explained by Math and Sunflowers," 11 May 2018 Still others do both: interweave numbers and patterns in intoxicating geometries that evoke infinity while remaining grounded in the present. David Pagel,, "From the tiniest of pinpoints of color, Xylor Jane creates pulsating patterns of life," 5 Feb. 2018 During that time, Girard designed hundreds of patterns, each with a refined eye toward pattern and geometry. Liz Stinson, Curbed, "Alexander Girard’s forgotten textile patterns find new life as rugs," 9 Nov. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'geometry.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of geometry

14th century, in the meaning defined at sense 1a

History and Etymology for geometry

Middle English geometrie, from Anglo-French, from Latin geometria, from Greek geōmetria, from geōmetrein to measure the earth, from geō- ge- + metron measure — more at measure

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Statistics for geometry

Last Updated

7 Apr 2019

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Time Traveler for geometry

The first known use of geometry was in the 14th century

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More Definitions for geometry



English Language Learners Definition of geometry

: a branch of mathematics that deals with points, lines, angles, surfaces, and solids


ge·​om·​e·​try | \ jē-ˈä-mə-trē How to pronounce geometry (audio) \

Kids Definition of geometry

: a branch of mathematics that deals with points, lines, angles, surfaces, and solids

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Comments on geometry

What made you want to look up geometry? Please tell us where you read or heard it (including the quote, if possible).


to speak slightingly about or to degrade

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