(education, academics, US) A course credit based on the number of contact hours per week in class, for one given term or semester.

(electricity) A unit of energy equal to the amount of work a horse is capable of delivering during an hour.

Synonym of twenty-four seven

A timekeeping convention in which the 24 hours of the day are divided into two periods called ante meridiem and post meridiem.

A timekeeping convention in which the 24 hours of the day are treated as a single period, rather than two sets of 12 hours.

The final hour of trading during which three types of derivatives contracts expire.

A meter which measures, and registers, the amount of electricity consumed in a circuit; especially one connected to a domestic power supply for the purpose of billing

plural of zero-hour contract

plural of watt-hour meter

(UK) A contract of employment that creates an on-call arrangement in which the employee agrees to be available for work as and when required, without any particular number of hours or times of work being specified or guaranteed.