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Geometry: Definition, Examples & Key Concepts (2 meaning)
Meaning 1：branch of mathematics studying shapes (geometry)
geometry
/dʒiˈɑːmətri/
n.
A part of math that studies the size, shape, and position of figures like points, lines, and solids.
branch of mathematics studying shapes
➕
/bræntʃ əv ˌmæθəˈmætɪks ˈstʌdiɪŋ ʃeɪps/
n.
A branch of mathematics that deals with the measurement, properties, and relationships of points, lines, angles, surfaces, and solids.
📘 Details & Usage
📖 Root Explanation
From Greek 'geo-' (earth) + '-metron' (measurement), meaning 'earth measurement'.
💡 Mnemonic
GEO (earth) + METRY (measurement) = measuring the earth's shapes.
📖 Example
I found geometry much easier to understand than algebra because I could draw the shapes.
I found geometry much easier to understand than algebra because I could draw the shapes.
🔗 Collocations
plane geometry – geometry of two-dimensional figures like points, lines, and triangles
solid geometry – geometry dealing with three-dimensional figures like cubes, spheres, and cylinders
analytic geometry – geometry that uses coordinates and algebraic equations to study shapes
🔄 Synonyms
mathematics (n.) – the broader field of study that includes geometry
shape theory (n.) – theoretical study of forms and figures (less common)
figures (n.) – geometric shapes like circles and squares
🚫 Antonyms
chaos (n.) – a state of complete disorder, opposite of geometric order
randomness (n.) – lacking any definite pattern or shape
🌱 Derivatives
geometric (adj.) – relating to geometry; having regular shapes and patterns
geometrically (adv.) – in a manner relating to geometry
📖 Cultural Story
Originated in ancient Greece for land surveying. Euclid's 'Elements' (c. 300 BC) systematized geometry, profoundly influencing Western mathematics and science.
Meaning 2：arrangement of shapes and lines (geometry)
geometry
/dʒiˈɑːmətri/
n.
The particular shape, pattern, or arrangement of lines and angles that something has.
arrangement of shapes and lines
➕
/əˈreɪndʒmənt əv ʃeɪps ənd laɪnz/
n.
The distinctive configuration or spatial arrangement of lines, angles, surfaces, and forms that characterizes an object or space.
📘 Details & Usage
📖 Example
The architect used simple but striking geometry in the design of the new museum, with its interlocking cubes and spheres.
The architect used simple but striking geometry in the design of the new museum, with its interlocking cubes and spheres.
🔗 Collocations
molecular geometry – the three-dimensional arrangement of atoms in a molecule
crystal geometry – the symmetrical arrangement of atoms in a crystalline structure
sacred geometry – geometric patterns and shapes considered to have spiritual significance
🔄 Synonyms
🚫 Antonyms
amorphousness (n.) – lacking a definite form or shape
irregularity (n.) – not conforming to a regular or symmetric pattern
🌱 Derivatives
geometric (adj.) – characterized by or decorated with regular shapes and lines
geometrically (adv.) – in a manner involving precise shapes and patterns
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