ellipseellipses of canonical formellipsisellipsoidellipsoid of concentrationellipsoid of inertiaellipsoid of revolutionellipsoidalellipsoidal coordinatesellipsoidal harmonic functionellipticelliptic coneelliptic coordinateselliptic cylinderelliptic cylinder functionelliptic cylindrical coordinateselliptic cylindrical sufraceelliptic differential equationelliptic differential geometryelliptic equationelliptic functionelliptic geometryelliptic integralelliptic intergralelliptic irrational functionelliptic modular groupelliptic operatorelliptic paraboloidelliptic point of a surfaceellipticalelliptical cylinderelliptical geometryellipticityelongationelongation of a vectorelseelsewhereelucidateemanateembedembeddableembeddable spaceembeddedembedded blankembedded markov chainembeddingembedding theoremembededembossingembrittlement