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
Many of our listeners may be thinking of geometry from their high school geometry class.
—Steven Strogatz, Quanta Magazine, 15 May 2025
Mangold has been exploring geometry, form and color for more than 60 years, with a half-century of that time on a charming property here in the Hudson Valley with an old farmhouse and a barn.
—Ted Loos, New York Times, 7 May 2025
Streets fan out in perfect geometry: Some, small alleys known as carreyous, are only two meters wide.
—Chrissie McClatchie, Travel + Leisure, 1 May 2025
The dynamic geometry of the tonearm, combined with its simple adjustment process, creates an optimal connection between the cartridge and the record surface.
—Mark Sparrow, Forbes.com, 11 Apr. 2025
See All Example Sentences for geometry
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Steven Strogatz, Quanta Magazine, 15 May 2025
Mangold has been exploring geometry, form and color for more than 60 years, with a half-century of that time on a charming property here in the Hudson Valley with an old farmhouse and a barn.
—Ted Loos, New York Times, 7 May 2025
Streets fan out in perfect geometry: Some, small alleys known as carreyous, are only two meters wide.
—Chrissie McClatchie, Travel + Leisure, 1 May 2025
The dynamic geometry of the tonearm, combined with its simple adjustment process, creates an optimal connection between the cartridge and the record surface.
—Mark Sparrow, Forbes.com, 11 Apr. 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 4 Jun. 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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