from The American Heritage® Dictionary of the English Language, 4th Edition
- abbr. miles per hour
from Wiktionary, Creative Commons Attribution/Share-Alike License
- mile(s) per hour
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a speedometer reading for the momentary rate of travel
- n. the ratio of the distance traveled (in miles) to the time spent traveling (in hours)
Sorry, no etymologies found.