geometry
noun
ge·om·e·try
jē-ˈä-mə-trē 
plural geometries
1
a
: 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
2
a
: configuration
… the [bicycle] frame's geometry can be adjusted via a two-position lower shock mount which slackens the angles by another half a degree.—
Liam Mercer
Liam Mercer
b
: surface shape
the geometry of the landscape
The shape of the earbud is tailored to the geometry of your ear.—Noah Robischon
Noah RobischonThe Ken Onion also allows you to choose the type of blade geometry for whatever implement you're sharpening …—Ariel Kanter
Ariel KanterEvery object naturally resonates when hit by electromagnetic waves of particular frequencies, which are determined by the object's geometry and material properties.—Ada Poon
Ada Poon3
: an arrangement of objects or parts that suggests geometric figures
the geometry of neoclassical architecture
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
Below, two especially careful 2025 Grand National Ladies Day amateur botanists demonstrate the extreme planar geometry of placing the straw in relation to the blooms.
—Guy Martin, Forbes.com, 7 Apr. 2025
So, astronomers have come up with a compromise regarding the geometry of the sun's illumination angle on Venus' disk versus its distance from Earth to determine the time of Venus' greatest brilliancy.
—Joe Rao, Space.com, 4 Apr. 2025
For three years, Cristina immersed herself in the study of natural philosophy, Aristotelian physics and Cartesian geometry.
—Manuela Callari, Smithsonian Magazine, 26 Mar. 2025
Steel Nomad's regular (4K) and Light (1440p) subtests focus on APIs more commonly used for game development, like Metal and DirectX 12, to assess gaming geometry and particle effects.
—PC Magazine, 25 Mar. 2025
See All Example Sentences for geometry
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Guy Martin, Forbes.com, 7 Apr. 2025
So, astronomers have come up with a compromise regarding the geometry of the sun's illumination angle on Venus' disk versus its distance from Earth to determine the time of Venus' greatest brilliancy.
—Joe Rao, Space.com, 4 Apr. 2025
For three years, Cristina immersed herself in the study of natural philosophy, Aristotelian physics and Cartesian geometry.
—Manuela Callari, Smithsonian Magazine, 26 Mar. 2025
Steel Nomad's regular (4K) and Light (1440p) subtests focus on APIs more commonly used for game development, like Metal and DirectX 12, to assess gaming geometry and particle effects.
—PC Magazine, 25 Mar. 2025
See All Example Sentences for geometry
Cite this Entry
“Geometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geometry. Accessed 16 Apr. 2025.
Copy CitationKids Definition
geometry
noun
ge·om·e·try
jē-ˈäm-ə-trē
plural geometries
1
: a branch of mathematics that deals with points, lines, angles, surfaces, and solids
2
: shape entry 2
the geometry of a crystal
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