1. the ratio of the distance traveled (in miles) to the time spent traveling (in hours); [syn: miles per hour, mph]
2. a speedometer reading for the momentary rate of travel; [syn: miles per hour, mph]
WordNet (r) 3.0 (2006):
mph
n 1: the ratio of the distance traveled (in miles) to the time
spent traveling (in hours) [syn: miles per hour, mph]
2: a speedometer reading for the momentary rate of travel [syn:
miles per hour, mph]