Primary

Primary may refer to:

Primary (astronomy), the larger of two co-orbiting bodies
Primary mirror, principal light-gathering surface of a reflecting telescope
Primary (band), from Australia
Primary circuit, electrical circuit in a transformer that receives current, as opposed to secondary circuit
Primary election, an election by which a political party selects and nominates a candidate
Power line, electric power transmission line fed to or from a transformer
Primary (film), 1960 documentary
Primary (LDS Church), children's Sunday School organization
"Primary" (song), by The Cure
Primary, the oldest period in the Geologic time scale (obsolete)
"Primary", a song by Spoon from the album Telephono
Primaries, remiges (wing feathers) in birds
Primaries or primary beams, in E. E. Smith's science-fiction series Lensman
The first stage in a thermonuclear explosive, may also be used alone in a lower-yield nuclear explosive, see nuclear weapon design

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Famous quotes containing the word primary:

“If a madman were to come into this room with a stick in his hand, no doubt we should pity the state of his mind; but our primary consideration would be to take care of ourselves. We should knock him down first, and pity him afterwards.”
—Samuel Johnson (1709–1784)

“The traditional American husband and father had the responsibilities—and the privileges—of playing the role of primary provider. Sharing that role is not easy. To yield exclusive access to the role is to surrender some of the potential for fulfilling the hero fantasy—a fantasy that appeals to us all. The loss is far from trivial.”
—Faye J. Crosby (20th century)

“Anyone who has obeyed nature by transmitting a piece of gossip experiences the explosive relief that accompanies the satisfying of a primary need.”
—Primo Levi (1919–1987)

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