Second (disambiguation)

Encyclopedia : S : SE : SEC : Second (disambiguation)

Second may refer to:

2 (number), as an ordinal
Second, a unit of time
Arcsecond, a unit of angle
Second of right ascension, in astronomy
Second (democracy), to support a proposal
In a duel, the agent of a challenger
A British undergraduate degree classification
In rock climbing, the climber who follows the lead climber
Seconds, a film directed by John Frankenheimer and starring Rock Hudson
Seconds, an album by Grand Central Records artist Kate Rogers

In music:

Minor second, or semitone
Neutral second, or three-quarters-tone (i.e., one-and-a-half semitones)
Major second, or whole tone (i.e, two semitones)
Augmented second, or either one-and-one-quarter tones (i.e., two-and-a-half semitones) or one-and-one-half tones (i.e., three semitones)

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