Look up primary in Wiktionary, the free dictionary.

Primary or primaries may refer to:

Contents

• Arts, entertainment, and media
• Music
• Other uses in arts, entertainment, and media
• Computing
• Education
• Mathematics
• Politics
• Science and mechanics
• Other uses
• See also

Arts, entertainment, and media

Computing

• PRIMARY, an X Window selection
• Primary data storage, computer technology used to retain digital data
• Primary server, main server on the server farm

Education

• Primary education, the first stage of compulsory education
• Primary FRCA, academic examination for anaesthetists in the U.K.
• Primary school, school providing primary education

Mathematics

• p-group of prime power order
• Primary decomposition into primary ideals
• Primary ideals, concept in commutative algebra
• Primary number, positive integer power of a prime number

Politics

• Primary elections or primaries, elections held to determine which candidates will run for an upcoming general election
• Primary vote, the total of first-preference votes in the Australian electoral system

Science and mechanics

• Primary (astronomy), the larger of two co-orbiting bodies
• Primary (chemistry), term used in organic chemistry
• Primary, the oldest period in the Geologic time scale (obsolete), combining the Precambrian and Paleozoic
• Primary, a stage in a thermonuclear explosive
• Primary circuit, electrical circuit in a transformer that receives current, as opposed to secondary circuit
• Primary field, type of field in conformal field theory
• Primary mirror, principal light-gathering surface of a reflecting telescope
• Primary power line, electric power transmission line fed to or from a transformer
• Primary feathers, flight feathers attached to the manus ("hand") in the wings of birds
• Primary color

Other uses

• Primary (LDS Church), a children's Sunday School organization
• Primary (musician) (born 1983), South Korean
• Primary data (or raw data), a term for data collected from a source
• Primary Flight Training, in the U.S. Navy
• Primary source, original materials
• Primary disease, a disease that is due to a root cause of illness
• Christian Science practitioner#Primary class instruction

See also

• Binary (disambiguation)
• Primary group (disambiguation)
• Second (disambiguation)
• Unary (disambiguation)
• All pages with titles beginning with Primary
• All pages with titles containing Primary

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