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

Examples of an/per hour in a Sentence

Recent Examples on the Web

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For comparison, the world’s fastest annual meteor shower, the Leonids, travel up to 158,400 miles per hour. —

Sarah Kuta, Smithsonian Magazine, 30 Dec. 2024 However, many micro-mobility vehicles with a maximum speed under twenty miles per hour (20 mph) appear to fall into CPSC’s jurisdiction regardless of if they are used on a roadway or not. —

Steve Tengler, Forbes, 29 Dec. 2024 Delta Aquariid meteor shower: July 28-29, 2025 (after dark) Expect about 20 shooting stars per hour during this annual peak of the Delta Aquariids. —

Jamie Carter, Space.com, 29 Dec. 2024 The storms also caused departure delays of over an hour Saturday afternoon at Houston's two main airports — Bush Intercontinental and Hobby — according to the website FlightAware. —

CBS News, 29 Dec. 2024 See all Example Sentences for an/per hour