From Wikipedia, the free encyclopedia
Look up
U or
u in Wiktionary, the free dictionary.
U , or u , is the twenty-first letter of the English alphabet.
U may also refer to:
Science
Mathematics
Chemistry
Uranium , symbol U, a chemical element
u, the
Dalton (unit) , a unified atomic mass unit to express atomic and molecular masses
Astronomy
Computing
Biology
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 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
U or U-value, the symbol for the
overall heat transfer coefficient or
thermal transmittance
Transportation
U Line , also known as the Uijeongbu Line, a light metro line in Seoul
Transilien Line U , a line of the Paris transport network
U (Los Angeles Railway) , a former streetcar line in Los Angeles
Yurikamome , an automated guideway line in Tokyo, labeled
The official West Japan Railway Company service symbol for:
Music
’u’ , the first opera in the Klingon language
"U" (Kendrick Lamar song) , 2015
"U" (Super Junior song) , 2006
U (Incredible String Band album) , 1970
U (NiziU album) , 2021
U (Tourist album) , 2016 album by Tourist
"U", a song by KNK from
Remain
"U", a song by Pearl Jam on their album
Lost Dogs
"U", a song by
S.E.S. , released in 2002
"U", an album by
The Enid , released in 2019
"U", a song by
Treasure (band) , released in 2022
People
Places
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 (cuneiform) , a cuneiform sign
U (Cyrillic) , a letter of the Cyrillic script
U (kana) , a Japanese syllabary symbol
U and non-U English , sociolectal varieties of British English
Ս , glyph for the Armenian letter se
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
The Greek letter
μ
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 media
content rating used in the following countries:
U (TV channel) , a former television channel in New Zealand
U, the production code for the 1965 Doctor Who serial
The Myth Makers
The American Spanish-language network
Univisión has the U logo
Other uses
University , commonly abbreviated "U"
U Mobile , Malaysian mobile phone and data service provider
U-bend , a U-shaped plumbing trap
U-bolt , a U-shaped metal fastener
Ⓤ, (U inside a circle),
hechsher or kosher certification by the Orthodox Union
U, =U= or -U-, symbol for
Ustaše Croatian movement
Nickname for football teams:
U, the color blue in
Magic: The Gathering
Wii U , the sixth Nintendo video game home console, released in 2012
Uniform , the military time zone code for UTC−08:00
"U" Is for Undertow , the twenty-first novel in Sue Grafton's "Alphabet" mystery series, published in 2009
Underscore , originally invoked in HTML using <u>
U, a brand of menstrual hygiene products by
Kotex
U, the logo for
Unilever
See also
Topics referred to by the same term