clock hour
Noun
Meaning
clock hour (plural clock hours)
A full sixty-minute period (as opposed to a scheduled length of time that is called an "hour" but not equivalent to sixty minutes, such as a student hour).
Noun
clock hour (plural clock hours)
A full sixty-minute period (as opposed to a scheduled length of time that is called an "hour" but not equivalent to sixty minutes, such as a student hour).