normal bundle
vector bundle, complementary to the tangent bundle, associated to an embedding
MathWorld: NormalBundleEncyclopedia of Mathematics: Normal_bundle
Wikipedia (English): Normal_bundle
Wikidata: normal bundle
nLab: normal bundle
mathswitch — infrastructure for relaying and exchanging mathematical concepts
vector bundle, complementary to the tangent bundle, associated to an embedding
MathWorld: NormalBundle