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 world was meant to sit back and respect the sacred, obscure geometry of his plan, but Congress, Wall Street, corporate executives, and even Musk were publicly backing away.
—Antonia Hitchens, New Yorker, 21 Apr. 2025
Secondly, the way that minerals (such as calcium carbonate) are deposited onto the mycelium structure usually can't be controlled to have the kind of internal geometry that would make the material strong and durable.
—New Atlas, 21 Apr. 2025
See the stunning flowing geometry for yourself, as well as incredible views of the Chicago River, Navy Pier, and Lake Michigan, from this turquoise riverfront star.
—Wendy Altschuler, Forbes.com, 18 Apr. 2025
And that actually really is a representation of this hyperbolic geometry.
—Steven Strogatz, Quanta Magazine, 17 Apr. 2025
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Antonia Hitchens, New Yorker, 21 Apr. 2025
Secondly, the way that minerals (such as calcium carbonate) are deposited onto the mycelium structure usually can't be controlled to have the kind of internal geometry that would make the material strong and durable.
—New Atlas, 21 Apr. 2025
See the stunning flowing geometry for yourself, as well as incredible views of the Chicago River, Navy Pier, and Lake Michigan, from this turquoise riverfront star.
—Wendy Altschuler, Forbes.com, 18 Apr. 2025
And that actually really is a representation of this hyperbolic geometry.
—Steven Strogatz, Quanta Magazine, 17 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 29 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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