Ur (Sumerian: Urim; Sumerian Cuneiform: 𒋀𒀕𒆠 URIM2KI or 𒋀𒀊𒆠 URIM5KI; Akkadian: Uru; Arabic: أور) was an important Sumerian city-state in ancient Mesopotamia, located at the site of modern Tell el-Muqayyar (Arabic: تل المقير) in south Iraq's Dhi Qar Governorate.
Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System.
Uruguay (/ˈjʊərəɡwaɪ/; Spanish pronunciation: [uɾuˈɣwai̯]), officially the Oriental Republic of Uruguay (Spanish: República Oriental del Uruguay), is a country in the southeastern region of South America.
Urdu (/ˈʊərduː/; Urdu: اُردُو ALA-LC: Urdū; IPA: [ˈʊrd̪uː], or Modern Standard Urdu) is a persianized standard register of the Hindustani language.
An urban area is a human settlement with high population density and infrastructure of built environment.
A urinary tract infection (UTI) is an infection that affects part of the urinary tract. When it affects the lower urinary tract it is known as a bladder infection (cystitis) and when it affects the upper urinary tract it is known as kidney infection (pyelonephritis).
Urea, also known as carbamide, is an organic compound with the chemical formula CO(NH2)2. This amide has two –NH2 groups joined by a carbonyl (C=O) functional group.
Uruguayan Air Force Flight 571 was a chartered flight carrying 45 people, including a rugby union team, their friends, family and associates, that crashed in the Andes on 13 October 1972, in an incident known as the Andes flight disaster and, in the Hispanic world and South America, as the Miracle of the Andes (El Milagro de los Andes).
Uranium is a chemical element with symbol U and atomic number 92. It is a silvery-white metal in the actinide series of the periodic table.
Urination is the release of urine from the urinary bladder through the urethra to the outside of the body.