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Showing words for UPSILON using the English dictionary
7 Letter Words for Upsilon
6 Letter Words for Upsilon
5 Letter Words for Upsilon
4 Letter Words for Upsilon
3 Letter Words for Upsilon
Definitions for Upsilon
[1] the 20th letter of the Greek alphabet (Υ, υ).
[2] the vowel sound represented by this letter.
[3] Also called upsilon particle. Physics . any of a family of heavy, short-lived, neutral mesons that are composed of a bottom quark and its antiquark. Symbol : Υ, υ
[4] the 20th letter in the Greek alphabet (Υ, υ), a vowel, transliterated as y or u
Words nearby Upsilon
upside, upside down, upside the head, upside-down cake, upsides, upsilon, upsilon particle, upsize, upskill, upspin, upspring
Origin of Upsilon
1615–25; < Late Greek ŷ psīlón literally, simple u (to distinguish it from the digraph oi, pronounced the same in LGk)
Word origin for Upsilon
C17: from Medieval Greek u psilon simple u, name adopted for graphic u to avoid confusion with graphic oi, since pronunciation was the same for both in Late Greek