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

Synonyms

mph

Used in print

(L. Don Leet and Florence J. Leet, editors, The World of...)

While a wind wave never travels at more than 60 miles_per_hour , the velocity of a tsunami in the open sea must be reckoned in hundreds of miles_per_hour .

While a wind wave never travels at more than 60 miles_per_hour , the velocity of a tsunami in the open sea must be reckoned in hundreds of miles_per_hour .

In the deep waters of the Pacific these waves reach a speed of 500 miles_per_hour .

Related terms

rate

2
[ noun ] a speedometer reading for the momentary rate of travel

Synonyms

mph

Related terms

reading

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