Y (disambiguation)

Y is the twenty-fifth letter of the Latin alphabet.

Y or y may also refer to:

Places

• Y, Alaska, USA
• Y, Somme, France

Language

• Y (Cyrillic)
• Y (IPA), the IPA letter for a close front rounded vowel

Science

• Yotta (Y), the SI prefix for 10²⁴
• Yocto (y), the SI prefix for 10^-24
• Yttrium, chemical symbol Y
• Year (y), a non-SI abbreviation for this unit of time
• Yellow, in the CMYK color model
• Y boson
• Y chromosome
• Haplogroup Y (mtDNA)
• Luminance (video), in many video color models, such as YIQ and YUV
• Admittance, the inverse of electrical impedance, Z
• Tyrosine, abbreviated Y or Tyr
• Y, a hypothetical stellar class of ultra-cool dwarf stars

Mathematics

• Dependent variable
• An axis in the Cartesian coordinate system
• Y combinator, a fixed-point combinator in combinatory logic
• The Bessel function Y

Other uses

• Brigham Young University, commonly known throughout the Mormon Corridor as "the Y" (as its rival, the University of Utah, is known as "the U")
• Yukon, post code Y
• Generation Y
• Basque Y, a Spanish high-speed rail network so called for its Y shape
• YMCA, aka "the Y"
• YWCA, aka "the Y"
• YM-YWHA, aka "the Y"
• Y Window System, a proposed development of the X Window System
• Alleghany Corporation, NYSE ticker symbol Y
• Income, Y
• Economy class, Y
• Y-stations, World War 2 listening stations
• "Y", a poem by Patti Smith from her 1994 book Early Work
• Ⓨ may refer to a typographical symbol in Japanese resale price maintenance.
• Y (game), a board game played on a triangular board
• Y (album), an album by The Pop Group
• Y (New York City Subway service), an unused New York City Subway service label
• Y: The Last Man, a DC comics series by Brian K. Vaughan
• 01011001 (binary number for 'Y' in ASCII), an album by Dutch progressive metal project Ayreon
• Y., an album by Spanish singer Bebe
• y, an Iamamiwhoami song
• Y (EP), a single album by MBLAQ

Homonyms

• Why (disambiguation)
• Wye (rail)

See also

• The Y (disambiguation)
• All pages beginning with "Y"
• All pages with titles containing "Y"
• Prefix disambiguation: YA, YB, YC, YD, YE, YF, YG, YH, YI, YJ, YK, YL, YM, YN, YO, YP, YQ, YR, YS, YT, YU, YV, YW, YX, YY, YZ