child development

Growth of perceptual, emotional, intellectual, and behavioral capabilities and functioning during childhood (prior to puberty). It includes development of language, symbolic thought, logic, memory, emotional awareness, empathy, a moral sense, and a sense of identity, including sex-role identity.

Learn more about child development with a free trial on Britannica.com.

Up is a relative direction, the opposite of down.

Up may also refer to:

• A railroad direction in the United Kingdom and China
• At bat, in baseball, when a player is facing the pitcher
• Experiencing the effects of psychoactive drugs
• On-line, in computing, the state of being available for use and functioning normally
• Up (1984 film), a short film
• Up (2009 film), an upcoming film by Pixar Animation Studios
• Up! (film), a 1976 soft core sex comedy
• Up quark, a particle described by the Standard Model theory of physics
• The Volkswagen up! concept car

Music

• Up! (album) by Shania Twain
• "Up!" (song) from the above album
• Up (Great Big Sea album)
• Up (Peter Gabriel album)
• Up (R.E.M. album)
• Up (Right Said Fred album)
• "Up", a song by Rob Crow from his album Living Well
• "Up" (The Saturdays song)

Initialisms

Companies

• IATA airline designator for Bahamasair
• Union Pacific Railroad, a US railroad network
• United Press International, a press agency

Science and technology

• Unified Process, an iterative software development process
• μp, an abbreviation for microprocessor (where the "u" is actually "μ", the lowercase Greek letter mu, meaning "micro-")
• UP (complexity), Unambiguous Non-deterministic Polynomial-time

Computing

• Unified Process, a popular software development process framework

Politics

• Patriotic Union, a political party of Colombia
• Unia Pracy (Labor Union), a political party of Poland
• Unidad Popular, political coalition of left wing parties in Chile between 1970-1973
• United Party, the name of political parties in several countries
• Unity Party, the name of political parties in several countries

Education

• Universidad Panamericana, in Mexico
• Universidade Pedagógica, in Mozambique
• University of Patras, in Greece
• University of Pennsylvania, in the United States
• University of Phoenix, in the United States
• University of Portland, in Oregon, United States
• University of Porto, in Portugal
• University of Potsdam, in Germany
• University of Pretoria, in South Africa
• University of the Philippines
• Univerzita Palackého, in the Czech Republic
• University Press, at many universities

Geography

• Upper Peninsula of Michigan, in the United States
• Uttar Pradesh, an Indian state

See also

• Upward