an/per hour
idiom
—used in measurements that describe the speed of something
The speed limit is 65 miles per hour.
a ball thrown at 88 miles an hour
Cite this Entry
“An/per hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/an%2Fper%20hour. Accessed 3 Apr. 2025.
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