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
The building is simultaneously elegant and jarring, an audacious pavilion on stilts, dramatic in its geometry and Nordic in style—as if it had been airlifted from the other side of the northern Atlantic.
—Akash Kapur, Travel + Leisure, 7 Apr. 2026
Play with geometry An artful pendant light adds a dose of charm to this laundry room by Sara Hillery, the founder of Sara Hillery Interior Design in Richmond, Virginia.
—Lindsey Mather, Architectural Digest, 7 Apr. 2026
In this model, those vibrations occur in the torsion field within the remnant’s geometry.
—Rupendra Brahambhatt, Interesting Engineering, 4 Apr. 2026
Prior to the translunar injection, the crew completed a perigee raise burn to position the spacecraft in the correct orbital geometry for the maneuver, ensuring the engine firing would place Orion precisely on its intended path.
—Greg Wehner, FOXNews.com, 3 Apr. 2026
See All Example Sentences for geometry
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Akash Kapur, Travel + Leisure, 7 Apr. 2026
Play with geometry An artful pendant light adds a dose of charm to this laundry room by Sara Hillery, the founder of Sara Hillery Interior Design in Richmond, Virginia.
—Lindsey Mather, Architectural Digest, 7 Apr. 2026
In this model, those vibrations occur in the torsion field within the remnant’s geometry.
—Rupendra Brahambhatt, Interesting Engineering, 4 Apr. 2026
Prior to the translunar injection, the crew completed a perigee raise burn to position the spacecraft in the correct orbital geometry for the maneuver, ensuring the engine firing would place Orion precisely on its intended path.
—Greg Wehner, FOXNews.com, 3 Apr. 2026
See All Example Sentences for geometry
Cite this Entry
“Geometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/geometry. Accessed 8 Apr. 2026.
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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