- Bes|sel function
- Bes|sel function «BEHS uhl»,Mathematics. any of a group of transcendental functions which are introduced by a differential equation, used especially in mathematical physics to represent quantities such as temperature, current density, and magnetic field strength as functions of space coordinates.╂[< Friedrich W. Bessel, 1784-1846, a German astronomer]
Useful english dictionary. 2012.