mph

English Thesaurus

1. the ratio of the distance traveled (in miles) to the time spent traveling (in hours) (noun.time)

hypernym	:	rate,
definition	:	a magnitude or frequency relative to a time unit (noun.time)

2. a speedometer reading for the momentary rate of travel (noun.time)

hypernym	:	indication, meter reading, reading,
definition	:	a datum about some physical state that is presented to a user by a meter or similar instrument (noun.cognition)