Associations to the word «Upsilon»

Wiktionary

UPSILON, noun. The twentieth letter of Classical and Modern Greek; the twenty-second letter of Old and Ancient Greek.
UPSILON MESON, noun. The upsilon particle
UPSILON PARTICLE, noun. (physics) Any of a number of bound states of a heavy quark and its antiquark, especially that formed from a bottom quark and an anti-bottom quark.

Dictionary definition

UPSILON, noun. The 20th letter of the Greek alphabet.

Wise words

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Dan Quayle