In dictionaries:
upsilon particle
Heavy meson, bottom quark bound.
upsilon particles
Heavy mesons containing bottom quarks.
upsilon meson
The upsilon particle
Upsilon Andromedae
Upsilon Andromedae (υ Andromedae, abbreviated Upsilon And, υ
Psi Upsilon
Psi Upsilon, commonly known as Psi U, is a North American fraternity,Psi Upsilon Tablet founded at Union College on November 24, 1833.
Upsilon Andromedae e
Delta Upsilon
Delta Upsilon, commonly known as DU, is a collegiate men's fraternity founded on November 4, 1834, at Williams College in Williamstown, Massachusetts.
Upsilon Sigma Phi
the oldest Greek-letter organization and fraternity in Asia.
Upsilon Andromedae b
Upsilon Andromedae b (υ Andromedae b, abbreviated Upsilon And b, υ
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