Upsilon (US: /ˈʌpsɪˌlɒn, ˈ(j)uːp-, -lən/, UK: /(j)uːpˈsaɪlən, ʊp-, -lɒn/; uppercase Υ, lowercase υ; Greek: ύψιλον ýpsilon [ˈipsilon]) or ypsilon /ɪp-/...

Look up Upsilon, upsilon, υ, Υ, Ʊ, or ʊ in Wiktionary, the free dictionary. Upsilon (Υ or υ) is the 20th letter of the Greek alphabet. Upsilon may also...

Delta Upsilon (ΔΥ), commonly known as DU, is a collegiate men's fraternity founded on November 4, 1834, at Williams College in Williamstown, Massachusetts...

Upsilon Andromedae (υ Andromedae, abbreviated Upsilon And, υ And) is a binary star located 44 light-years from Earth in the constellation of Andromeda...

(minuscule: ʊ), called horseshoe or sometimes bucket, inverted omega or Latin upsilon, is a letter of the International Phonetic Alphabet used to transcribe...

The Upsilon meson ( ϒ ) is a quarkonium state (i.e. flavourless meson) formed from a bottom quark and its antiparticle. It was discovered by the E288...

Upsilon Pi Epsion is an International honor society for computing and information disciplines. Following is a list of Upsilon Pi Epsilon chapters. Active...

letter Y is derived from the Greek letter upsilon. It dates back to the Latin of the first century BC, when upsilon was introduced a second time, this time...

Upsilon Pi Epsilon (ΥΠΕ) is the first honor society dedicated to the computing and information disciplines. Informally known as UPE, Upsilon Pi Epsilon...

Psi Upsilon (ΨΥ), commonly known as Psi U, is a North American fraternity, founded at Union College on November 24, 1833. The fraternity reports 50 chapters...