The upsilon meson is a flavorless meson formed from a bottom quark and its antiparticle.
From the en.wikipedia.org
However, this first loaning of upsilon into Latin is not the source of Modern English Y.
From the en.wikipedia.org
Upsilon Librae and Tau Librae represent the left plate of the balance, while Sigma Librae represents the right plate.
From the en.wikipedia.org
In the new study, astronomers report observations of upsilon Andromedae b taken across five days in February of 2009.
From the sciencedaily.com
Savvy speculators may want to look into the new solar system found orbiting the star UPSILON ANDROMEDAE last week.
From the time.com
Upsilon is in expansion mode.
From the businessweek.com
Using Spitzer, an infrared observatory, astronomers found that upsilon Andromedae b's hot spot is offset by a whopping 80 degrees.
From the sciencedaily.com
This article is about Greek upsilon.
From the en.wikipedia.org
Upsilon was added at the end of the alphabet, perhaps to avoid upsetting the alphabetic order that was used in Greek numerals.
From the en.wikipedia.org
More examples
The 20th letter of the Greek alphabet
Style of Maze composed of interlocking octagons and squares. Name comes from the shape of the capital Greek letter Upsilon, whose "Y" shape is similar to angles seen in these Mazes. See also Omega.
Adverb - One of the two directions pointing out of realmspace into tetraspace; movement in the positive w direction. In tetraspace, represented by the vector <0,0,0,1>. This term refers to the direction analogous to up; the 'u' in 'upsilon' corresponds to the 'u' in 'up'. ...