derivation
2.Place of origin; derivation.
3.Derivation of Kirchhoff Formula
4.A line of descent; derivation
5.New Derivation for Bohr Hamiltonian
6.The Automatic Derivation of ETS
7.Derivation from a source; origin.
8.resulting from or employing derivation.
9.A custom of recent derivation.
10.(linguistics) formed by inflection or derivation.

