manifold
/ˈmænəˌfoʊɫd/
a space that locally resembles Euclidean space
manifold in a sentence
“The surface of a sphere is a two-dimensional manifold.”
Origin of manifold
From many + fold, calque of German Mannigfaltigkeit
Related Words
isomorphism
a structure-preserving mapping between two mathematical objects
symmetry
invariance under a transformation
congruent
having exactly the same size and shape
tangent
touching a curve at exactly one point
perpendicular
at right angles to a line or surface
dimension
the number of independent coordinates needed to specify a point