Second is the ordinal number after first. For example, second grade comes after first grade.
A second (sec) is also a unit for measuring time.
60 seconds = 1 minute
60 minutes = 1 hour
Seconds are also used to measure degrees of latitude and longitude.
60 seconds = 1 minute (60° = 1')
60 minutes = 1 degree (60' = 1°)
Did you know?
Television commercial breaks usually last about 15 or 30 seconds.