speed dialˈspeed ˌdial (also ˈspeed ˌdialling British English, speed dialing American English) noun [uncountable] 
a special feature on a telephone that lets you dial someone’s telephone number very quickly by pressing one button—speed-dial verb [intransitive, transitive]
a special feature on a telephone that lets you dial someone’s telephone number very quickly by pressing one button—speed-dial verb [intransitive, transitive]