U (disambiguation)
U is the twenty-first letter of the Latin alphabet.
U may also refer to:
Science
Mathematics
- , union (set theory)
- U-set, a set of uniqueness
- U, the unitary group
Chemistry
- Uranium, a metallic chemical element
- Unified atomic mass unit, used to express atomic and molecular masses
Astronomy
- U, ultraviolet magnitude, in a UBV photometric system
- U, an October 16 through 31 discovery in the provisional designation of a comet
Computing
<u>, a now-deprecated HTML element denoting underlined text- U, measurement of size of a rack unit
- U, universal Turing machine
Other scientific uses
- U, a common notation for potential energy
- U, the middle of an edge joining a hexagonal and a square face of the Brillouin zone of a face-centered cubic lattice, in solid-state physics
- U, one of the two subcarrier-modulated color-difference channels in the YUV colorspace, in video
- U, the recommended symbol for a system's internal energy, in thermodynamics
- U, units, any of various standard units of biological activity, such as insulin units, enzyme units, or penicillin units
- U, the enzyme unit
- International units, for which the symbol U is sometimes used
- U, the abbreviation for selenocysteine, an uncommon amino acid containing selenium
- u, the alternative abbreviation for the SI prefix "micro-" when the Greek letter mu (µ) is not available
Music
- U or yu (wind instrument), a free reed wind instrument
- U, a solo Japanese music artist, also known to be the lead vocals of Funta
- U, the stage name of the solo Japanese music artist Yu Shirota
- ’u’, the first opera in the Klingon language
- "U" (Kasha & Shara Nelson song), 1999
- "u" (Kendrick Lamar song), 2015
- "U" (Super Junior song), 2006
- U (album), a 1970 double album by the Incredible String Band
- "U", a song by Pearl Jam on their album Lost Dogs
- "U", a song by S.E.S., released in 2002
People
- An honorific used in Burmese names
- An alternative spelling of Woo (Korean name), including a list of people with that family or given name
- U of Goryeo (1363–1389), king of Goryeo (Korea), often called King Woo
Places
- U, Pohnpei, Federated States of Micronesia
- Ü-Tsang, one of three historical provinces of Tibet
- Ü (region), a particular region of Ü-Tsang
Education
- University, commonly abbreviated "U"
- U, an unsatisfactory grade, or 'Unclassified' (UK)
Language
- /u/, the close back rounded vowel in the International Phonetic Alphabet
- U language, a language spoken by about 40,000 people in the Yunnan Province of China
- U (Cyrillic), a letter of the Cyrillic script
- U (kana), a Japanese syllabary symbol
- U and non-U English, sociolectal varieties of British English
- u, an abbreviation for "you" in computer chats
- U-, a prefix used for German submarines during World War II
- U, a title roughly equal to "Mister" in Burmese
Film and television
- U (film), a 2006 French animated feature film directed by Serge Elissalde and Grégoire Solotareff
- The U (film), a 2009 documentary about the Miami Hurricanes football team
- U (Universal), a film rating used by:
- U (TV channel), a former television channel in New Zealand
Other uses
- U Mobile, Malaysian mobile phone and data service provider
- U-bend, a U-shaped plumbing trap
- Ⓤ, (U inside a circle), hechsher or kosher certification by the Orthodox Union
- U, symbol for Ustaše Croatian movement
- Nickname for football teams:
- La U or Universitario de Deportes, Peru
- Universitatea Cluj, Romania
- U, the color blue in Magic: The Gathering
- Wii U, Nintendo's most recent console
See also
This disambiguation page lists articles associated with the title U.
If an internal link led you here, you may wish to change the link to point directly to the intended article.
If an internal link led you here, you may wish to change the link to point directly to the intended article.