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 The low-poly fantasy-forest world, and its repeating geometry and blue-green-purple aesthetic, blurred together in my two hours of play with little in the way of obvious landmarks to call out. Sam Machkovech, Ars Technica, "Crucible, Amazon’s new online shooter: Alexa, does this game have a chance?," 19 May 2020 Only three geometries fit this description: flat, spherical and hyperbolic. Quanta Magazine, "What Is the Geometry of the Universe?," 16 Mar. 2020 King taught Johnson geometry and encouraged her mathematical pursuits. Della Dumbaugh, The Conversation, "7 lessons from ‘Hidden Figures’ NASA mathematician Katherine Johnson’s life and career," 26 Feb. 2020 The Crayola colors and sharp geometries of the Latino Cultural Center. 22. Mark Lamster, Dallas News, "100 reasons to love Dallas right now: A critic’s list of the places that make the city and its architecture special.," 15 May 2020 The same control-arm suspension geometry is used on both vehicles. John Pearley Huffman, Car and Driver, "The Great Compromise: McLaren 600LT vs. GT," 29 Apr. 2020 The installations have a mathematical beauty — a geometry. Siddhartha Mitter, New York Times, "An Artist’s New Migration Song," 26 Apr. 2020 In quantum cosmology, this wave function gives an indication of the probability the Universe has of having a certain shape, or geometry. Conor Purcell, Ars Technica, "Can we craft a theory in which space and time aren’t assumed to exist?," 20 Apr. 2020 Students will gain a greater understanding of biology, forensics, and epidemiology, and artists intrigued by fractal geometry can find new shapes to inform their designs. Popular Science, "Microscopes for students and hobbyists who want to continue exploring the world around them," 15 Mar. 2020

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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Time Traveler for geometry

Time Traveler

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

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Statistics for geometry

Last Updated

1 Jun 2020

Cite this Entry

“Geometry.” Dictionary, Merriam-Webster, Accessed 2 Jun. 2020.

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How to pronounce geometry (audio)

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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