bessel
1. [ noun ] (physics,mathematics,astronomy) German mathematician and astronomer who made accurate measurements of stellar distances and who predicted the existence on an 8th planet (1784-1846)
Synonyms: friedrich_wilhelm_bessel
Related terms: mathematician astronomer
Similar spelling:   Beisel
  bezel
  beigel
  Beckel
  Beesley
  Beasley
  bejewel
  Bussell
  Bissell