plural of 5-K

(sports) Alternative form of 5K.

(biochemistry) Initialism of 5-hydroxytryptamine.

(music) A meter of five eighth notes per measure.

Initialism of jet propellant 5.; the higher-flashpoint jet fuel used by the U.S. Navy

Alternative spelling of grade five

plural of 5′ end

plural of 5′ cap

24 hours per day, five days per week (implicitly weekdays: Monday through Friday). Designates a round-the-clock service during the week, but excluding weekends.

Alternative form of 9 to 5