Definition of geometry in English:


Syllabification: ge·om·e·try
Pronunciation: /jēˈämətrē


1The branch of mathematics concerned with the properties and relations of points, lines, surfaces, solids, and higher dimensional analogs.
More example sentences
  • By spherical geometry, we mean geometry on the surface of a sphere, where the great circles are taken as lines.
  • As analysis began to mix inextricably with geometry and the other branches of mathematics, the curiosities multiplied.
  • A notable feature of advanced mathematics is that much of it is concerned with geometry in more than three dimensions.
1.1 (plural geometries) A particular system of geometry: non-Euclidean geometries
More example sentences
  • He also realised that there were an infinite number of non-euclidean geometries and this, Taurinus claimed, was highly significant.
  • The trend toward trophic specialization is also correlated with stereotyped geometries in the locomotor system.
  • The same issues apply more generally to other photonic crystal systems in non-fiber geometries.
1.2 [in singular] The shape and relative arrangement of the parts of something: the geometry of spiders' webs
More example sentences
  • Perhaps this intimate knowledge of the geometry of letterforms is why even today so many architects are partial to Futura.
  • Modern artists long ago discovered and assimilated the geometry, line and shapes of African sculpture.
  • At the same time, anatomical data that include the torso geometry and the shape and location of the heart are obtained via a CT scan.


Middle English: via Old French from Latin geometria, from Greek, from 'earth' + metria (see -metry).

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