Hour Short Form - Noun [ plural ] (also hrs.) uk us. He ran the marathon in 2 hrs 48 mins. Used when giving times or saying how long. H or hr) is a unit of measurement used to measure time. The abbreviation for ‘hours’ is hrs. (plural hrs) written abbreviation for hour : Web the abbreviation for hour is hr: Web abbreviation of units of measure: An hour is equal to 60 minutes.
The abbreviation for ‘hours’ is hrs. Used when giving times or saying how long. Web abbreviation of units of measure: An hour is equal to 60 minutes. H or hr) is a unit of measurement used to measure time. Web the abbreviation for hour is hr: Noun [ plural ] (also hrs.) uk us. (plural hrs) written abbreviation for hour : He ran the marathon in 2 hrs 48 mins.