英语词汇“upsilon”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

up•si•lon n.

the 20th letter of the Greek alphabet (Υ, υ).
the vowel sound represented by this letter.
PhysicsAlso called up′silon par′ticle, any of a family of heavy, short-lived, neutral mesons that are composed of a bottom quark and its antiquark. Symbol: Υ, υ

Late Greek ŷ psīlón literally, simple u (to distinguish it from the digraph oi, pronounced the same in Late Greek)
1615–25

Collins Concise English Dictionary © HarperCollins Publishers::

upsilon /ˈʌpsɪˌlɒn; juːpˈsaɪlən/ n

the 20th letter in the Greek alphabet (Υ, υ), a vowel, transliterated as y or u

Etymology: 17th Century: 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

单词	upsilon
释义	WordReference Random House Unabridged Dictionary of American English © 2024 up•si•lon (yo̅o̅p′sə lon′, -lən, up′-; esp. Brit.* yo̅o̅p sī′lən),USA pronunciation* n. the 20th letter of the Greek alphabet (Υ, υ). the vowel sound represented by this letter. PhysicsAlso called up′silon par′ticle, any of a family of heavy, short-lived, neutral mesons that are composed of a bottom quark and its antiquark. Symbol: Υ, υ Late Greek ŷ psīlón literally, simple u (to distinguish it from the digraph oi, pronounced the same in Late Greek) 1615–25 Collins Concise English Dictionary © HarperCollins Publishers:: upsilon /ˈʌpsɪˌlɒn; juːpˈsaɪlən/ n the 20th letter in the Greek alphabet (Υ, υ), a vowel, transliterated as y or u Etymology: 17th Century: 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
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