Primary or primaries may refer to:
Arts, entertainment, and media
Music
Groups and labels
*
Primary (band), from Australia
*
Primary (musician), hip hop musician and record producer from South Korea
*
Primary Music, Israeli record label
Works
*
''Primary'' (album) by Rubicon (2002)
*
"Primary" (song) by The Cure
* "Primary", song by Spoon from the album ''
Telephono''
Other uses in arts, entertainment, and media
* Primaries or primary beams, in E. E. Smith's science-fiction series ''
Lensman''
*
''Primary'' (film), American political documentary (1960)
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
Primary education is the first stage of Education, formal education, coming after preschool/kindergarten and before secondary education. Primary education takes place in ''primary schools'', ''elementary schools'', or first schools and middle s ...
, 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
The geologic time scale or geological time scale (GTS) is a representation of time based on the rock record of Earth. It is a system of chronological dating that uses chronostratigraphy (the process of relating strata to time) and geochro ...
(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
In the study of history as an academic discipline, a primary source (also called an original source) is an Artifact (archaeology), artifact, document, diary, manuscript, autobiography, recording, or any other source of information that was cre ...
, original materials
* Primary
disease
A disease is a particular abnormal condition that adversely affects the structure or function (biology), function of all or part of an organism and is not immediately due to any external injury. Diseases are often known to be medical condi ...
, a disease that is due to a root cause of illness
*
Christian Science practitioner#Primary class instruction
See also
*
Binary (disambiguation)
Binary may refer to:
Science and technology Mathematics
* Binary number, a representation of numbers using only two values (0 and 1) for each digit
* Binary function, a function that takes two arguments
* Binary operation, a mathematical o ...
*
Primary group (disambiguation)
*
Second (disambiguation)
A second is the base unit of time in the International System of Units (SI).
Second, Seconds, The Second, or (The) 2nd may also refer to:
Mathematics
* 2 (number), as an ordinal (also written as ''2nd'' or ''2d'')
* Second of arc, an angul ...
*
Unary (disambiguation)
*
*
{{disambiguation