Bessel may refer to:
==Mathematics and science== Bessel beam Bessel ellipsoid Bessel function in mathematics Bessel's inequality in mathematics Bessel's correction in statistics Bessel filter, a linear filter often used in audio crossover systems Bessel transform, also known as Fourier-Bessel transform or Hankel transform Bessel window, in signal processing Besselian date, see Epoch (astronomy)#Besselian years
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).