Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun bessel
1 sense of bessel
Sense 1
Bessel, Friedrich Wilhelm Bessel -- (German mathematician and astronomer who made accurate measurements of stellar distances and who predicted the existence on an 8th planet (1784-1846))
INSTANCE OF=> mathematician -- (a person skilled in mathematics)
INSTANCE OF=> astronomer, uranologist, stargazer -- (a physicist who studies astronomy)