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The phrase "a hour for" is not correct in written English.
The correct form is "an hour for" due to the vowel sound at the beginning of "hour."
Example: "I need an hour for my meeting."
Alternatives: "a time for" or "one hour for".
Exact(1)
As expected, the running times get worse at increasing protein size and increasing percentages of errors in the map, ranging from a fraction of second for short proteins to nearly half a hour for long proteins.
Similar(57)
They cost about "$25 an hour for a small jet and $60 to $65 an hour for a larger one," Favaloro said.
(The pay is $11 an hour for driving a small bus, $13 an hour for a big bus).
I waited almost an hour for a table.
Nutrition Set aside an hour for a real lunch.
Overtime is about $45 an hour for a detective.
Just $6.95 an hour for a laptop?
Students received $8.00 an hour for a 30-hour workweek.
Queuing for an hour for a piss?
Pay scales range from $25.38 an hour for laborers to $34.49 an hour for carpenters.
It took an hour for someone to call an ambulance.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com