easy
Geometry helps us classify triangles by sides and angles.
What does Geometry mean?
Geometry studies shapes, measurements, positions, and space; it can also mean how parts are shaped and arranged.
Dictionary definition
The branch of mathematics that studies the measurements, properties, and relationships of points, lines, angles, surfaces, solids, and space. Geometry can also mean the particular shape or arrangement of parts in an object or system.
Example sentences
Geometry in a sentence
medium
Students used geometry to prove that the two angles were equal.
medium
The geometry of the roof helps rainwater flow toward the gutters.
hard
Coordinate geometry connects algebraic equations with points and shapes on a plane.
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Quick practice
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Practice the meaning of Geometry
Answer three quick questions about its meaning and related words.
Question 1 of 3
Practice 1
Which question belongs to geometry?
Geometry studies properties and relationships of figures and space.
Practice 2
Which is a geometric transformation?
Translations, rotations, reflections, and dilations transform geometric figures.
Practice 3
What does coordinate geometry connect?
Coordinates and equations describe geometric points, lines, and shapes.
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Pronunciation coach
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Geometry
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Sounds like
jee · ah · muh · tree · strongest beat: ah
Tap each sound part, then blend the whole word together.
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WordGeometry.
Partnoun.
MeaningGeometry means Geometry studies shapes, measurements, positions, and space; it can also mean how parts are shaped and arranged.
ExampleExample: Geometry helps us classify triangles by sides and angles.
Word breakdown
4 syllables. Say each part, then blend the word.
- Syllables
- jee · ah · muh · tree
- Strongest beat
- ah
- Ending
- tree
- Tip
- Put a little extra energy on ah.
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Synonym review
Does Geometry have synonyms?
Geometry has no precise everyday synonym. Configuration can replace geometry only in the separate sense of an object's shape and arrangement, while spatial mathematics and geometric study are explanations rather than interchangeable terms.
Antonym review
Does Geometry have an opposite?
Geometry names a field of mathematics or the configuration of something and has no direct antonym. Arithmetic and algebra are connected branches, not opposites.
Word family
Geometry word family
Base word
geometry
adjective
geometric
Related to geometry or regular shapes.
adverb
geometrically
Using geometric properties or methods.
noun
geometer
A person who studies or works with geometry.
Related words
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Student support
Understand Geometry
Hint for students
Geometry asks about properties and relationships of figures and space, not only the names of shapes.
Common mix-up
Geometry is not the opposite of arithmetic or algebra. These branches work together in measurement, coordinates, formulas, and proofs.
Try it in class or at home
Investigate one object by describing its geometry, measuring a defining feature, transforming a model, and representing part of it on a coordinate plane.
Teacher prompt
Sort tasks into measurement, classification, transformation, coordinate geometry, proof, and object configuration. Ask what makes each use geometric.
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