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Primary or primaries may refer to:
Arts, entertainment, and media
Music
Groups and labels
Works
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
Education
Mathematics
Politics
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)
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
See also
Topics referred to by the same term