Helix: Helix is the curve that lies on the surface [.....]

Height: Height is the vertical distance of a point above [.....]

Hectare: Hectare is the unit used to measure the land. [.....]

H.C.F ( or G.C.D) of polynomial: H.C.F ( or G.C.D) [.....]

H.C.F (Highest Common Factor ): H.C.F (Highest Common Factor ) [.....]

Harmonic Progression: Harmonic Progression is a sequence of terms in [.....]

Half place: Half place is the part of the plane [.....]

Harmonic Mean: Harmonic Mean is one of the several kind [.....]