geometry
n. uncountablen. the area of math that studies shapes, sizes, and the space between things. You use it to measure lines, angles, and circles.
n. the branch of mathematics concerned with the properties and relations of points, lines, surfaces, and solids. Often used to describe the specific arrangement or symmetry of objects in a physical space.
We are learning how to calculate the area of a circle in geometry.
Architects must have a deep understanding of geometry to design buildings that are both stable and beautiful.
The artist used complex non-Euclidean geometry to create a sense of distorted perspective that challenged the viewer's perception of the gallery space.
From Middle English gemetry, geometrie, from Old French geometrie (modern French géométrie), from Latin geōmetria, from Ancient Greek γεωμετρία (geōmetría, “geometry, land-survey”), from γεωμέτρης (geōmétrēs, “geometer, land measurer”), from γῆ (gê, “earth, land, country”) + -μετρία (-metría, “measurement”), from μέτρον (métron, “a measure”). By surface analysis, geometer + -y or geo- + -metry. Doublet of gematria.
Uncountable when referring to the field of study; can be used with 'the' to describe the specific physical arrangement of a structure.