KM/H

 I. (noun) 

Sense 1

Meaning:

The ratio of the distance traveled (in kilometers) to the time spent traveling (in hours)

Synonyms:

kilometers per hour; kilometres per hour; km/h; kph

Classified under:

Nouns denoting time and temporal relations

Hypernyms ("km/h" is a kind of...):

rate (a magnitude or frequency relative to a time unit)

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