Look up twin in Wiktionary, the free dictionary.

In biology, Twins are two or more siblings which gestated and were born together. Types of biological twins include: Wikipedia does not have an article with this exact name. ... Wiktionary (a portmanteau of wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ... Biology studies the variety of life (clockwise from top-left) E. coli, tree fern, gazelle, Goliath beetle Biology (from Greek: βίος, bio, life; and λόγος, logos, knowledge), also referred to as the biological sciences, is the study of living organisms utilizing the scientific method. ... For other uses, see Twin (disambiguation). ... To meet Wikipedias quality standards, this article or section may require cleanup. ... A pregnant woman near the end of her term Pregnancy is the carrying of one or more offspring in an embryonal or fetal stage of development by female mammals, including humans, inside their bodies, between the stages of conception and birth. ... Parturition redirects here. ...

• Fraternal twins
• Identical twins
• Multiple births, while not necessarily twins, are sometimes referred to as "multiple twins".
• Conjoined twins, or Siamese
• Parasitic twin, a very rare condition caused by a variety of circumstances
• Twin can also refer to a doppelgänger or clone.

See also: Category:Multiple births

Twin also refers to a pair of associated similar objects or concepts: Fraternal twin boys in the tub The term twin most notably refers to two individuals (or one of two individuals) who have shared the same uterus (womb) and usually, but not necessarily, born on the same day. ... Fraternal twin boys in the tub The term twin most notably refers to two individuals (or one of two individuals) who have shared the same uterus (womb) and usually, but not necessarily, born on the same day. ... Identical triplet brothers at graduation. ... This article or section does not cite any references or sources. ... A parasitic twin is the result of a situation related to the process that results in vanishing twin and conjoined twins; a twin embryo begins developing in utero, but do not fully separate and one maintains dominate developement at the expense of the other. ... This article or section does not cite its references or sources. ... Molecular cloning refers to the procedure of isolating a defined DNA sequence and obtaining multiple copies of it in vivo. ...

• Town twinning, two distant cities that agree to partner each other, for various reasons
• Twin boundary, where two crystallites which share atoms at repeated intervals and have only a minor difference in orientation meet at
• Twin cities, two towns or cities that are geographically close to each other, and often referred to collectively. The term is most often used to describe the Minneapolis-St. Paul metropolitan area in Minnesota, United States. Other examples include the Twin Ports of Duluth, Minnesota and Superior, Wisconsin, United States.
• Twin prime, a prime number that differs from another prime number by two
• Twin Towers are any of a number of matching structures, most notably the former World Trade Center in New York City

Twin or Twins may also refer to: Sign denoting twin towns of Neckarsulm, Germany Town twinning is a concept whereby towns or cities in geographically and politically distinct areas are paired with the goal of fostering human contact and cultural links. ... Galvanized surface with macroscopic crystalline features. ... A crystallite is a domain of solid-state matter that has the same structure as a single crystal. ... This article or section does not adequately cite its references or sources. ... Ronda, Spain Main street in Bastrop, Texas, United States, a small town A town is a community of people ranging from a few hundred to several thousands, although it may be applied loosely even to huge metropolitan areas. ... A city is an urban area, differentiated from a town, village, or hamlet by size, population density, importance, or legal status. ... A map of the Twin Cities metropolitan area. ... This article does not cite any references or sources. ... Capital Saint Paul Largest city Minneapolis Area  Ranked 12th  - Total 87,014 sq mi (225,365 km²)  - Width 250 miles (400 km)  - Length 400 miles (645 km)  - % water 8. ... The Twin Ports of Duluth, Minnesota and Superior, Wisconsin are located at the western part of Lake Superior (the westernmost of North Americas Great Lakes). ... Duluth is the county seat of St. ... The city of Superior sits at the junction of U.S. Highway 2 and U.S. Highway 53, and is the county seat of Douglas County, Wisconsin. ... A twin prime is a prime number that differs from another prime number by two. ... In mathematics, a prime number (or a prime) is a natural number which has exactly two distinct natural number divisors: 1 and itself. ... Look up Twin Towers in Wiktionary, the free dictionary. ... “WTC” redirects here. ... New York, New York and NYC redirect here. ...

• First Twin and Second Twin, the twin lost boys in J.M. Barrie's Peter Pan
• Minnesota Twins of Major League Baseball, which take their name from the Twin Cities of Minneapolis and St. Paul
• Twin (computing), a Text WINdows computer interface
• Twin (mythology), a very common theme in mythology
• Twin, a standard bed, mattress, or sheet size
• Twin paradox, a thought experiment in special relativity
• Twins (album), the name of Twins self-titled album
• Twins (band), a Hong Kong-based Cantopop musical group
• Twins (film), a 1988 comedy film starring Arnold Schwarzenegger and Danny DeVito
• Twins (pornographic film), the name of two gay pornographic movies, one starring the O'Brien Twins, Christy twins and Karisdtadt Twins, and the other starring the Oddyssey Twins
• Twins (The Matrix), characters from The Matrix Reloaded
• Twins (TV series), a sitcom that debuted on The WB Television Network in September 2005
• Twins, a photobook by Steven Underhill
• Twins, a song by Manitoba from their 2003 album, Up in Flames
• TWINS (Knock Out), a song by Super Junior from their 2005 album, Super Junior 05

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.