Dictionary

geometry

noun ge·om·e·try \jē-ˈä-mə-trē\

: a branch of mathematics that deals with points, lines, angles, surfaces, and solids

plural ge·om·e·tries

Full Definition of GEOMETRY

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
2
a :  configuration
b :  surface shape
3
:  an arrangement of objects or parts that suggests geometric figures
ADVERTISEMENT

Origin of GEOMETRY

Middle English geometrie, from Anglo-French, from Latin geometria, from Greek geōmetria, from geōmetrein to measure the earth, from geō- ge- + metron measure — more at measure
First Known Use: 14th century

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb
GEOMETRY Defined for Kids

geometry

noun ge·om·e·try \jē-ˈä-mə-trē\

Definition of GEOMETRY for Kids

:  a branch of mathematics that deals with points, lines, angles, surfaces, and solids
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears