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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
millions of hours
Grammar usage guide and real-world examplesUSAGE SUMMARY
"millions of hours" is a correct and usable phrase in written English.
It means a very large number of hours, typically denoting a significant amount of time. You can use "millions of hours" in a sentence when talking about a large quantity of time, such as: - "The engineers spent millions of hours designing and testing the new product." - "She has devoted millions of hours to perfecting her craft." - "The project will require millions of hours of work to complete."
✓ Grammatically correct
News & Media
Tech
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
"We're just bolting them in as things that have millions of hours of airline service".
News & Media
These have accumulated millions of hours of flying time and an enviable safety record.
News & Media
Congestion taxes would save millions of hours currently wasted in traffic jams.
News & Media
TWTs in space have demonstrated very reliable operation, amassing tens of millions of hours of operation without failure.
Encyclopedias
It is measured not in the millions of hours, but in the billions — 9.14 of them, to be exact.
News & Media
"For over a decade, we have spent millions of hours building the largest encyclopedia in human history.
News & Media
It also has vast reach, with more than 1bn users watching hundreds of millions of hours of content every day.
News & Media
It would grant Canadians access to millions of hours' worth of programs produced for other countries' publics.
News & Media
So when it happens, when it actually happens, you feel like, you know, you achieve something that you dream about for maybe millions of hours".
News & Media
Storing video takes far more space, but the price is dropping so steadily that storing millions of hours of material will not be a problem soon.
News & Media
All of these efforts have either failed or are close to failure — thousands of people working millions of hours and in all likelihood producing nothing.
News & Media
Expert writing Tips
Best practice
To enhance clarity, consider specifying the range when accuracy is important: "several million hours" or "between 5 and 10 million hours".
Common error
Avoid using "millions of hours" when "thousands" or "billions" of hours would be more accurate. Always ensure the scale of time is appropriate for the context.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "millions of hours" functions as a quantifier followed by a unit of time. It specifies a very large amount of time. This aligns with Ludwig AI's assessment of the phrase as correct and usable.
Frequent in
News & Media
74%
Tech
15%
Science
5%
Less common in
Encyclopedias
1%
Formal & Business
1%
Reference
0%
Ludwig's WRAP-UP
The phrase "millions of hours" is a grammatically sound and commonly used expression to denote a very large quantity of time. Ludwig AI confirms its correctness and usability. It is frequently used in contexts such as News & Media, Tech, and Science, as evidenced by the examples provided. When writing, ensure that the scale is accurate and appropriate. Alternatives like "vast duration" or "considerable time span" can be used for similar effect. The authoritative sources such as The New York Times, The Guardian, and Forbes further support its validity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
vast duration
Emphasizes the extensive length of time.
considerable time span
Highlights the extended period involved.
extensive period
Focuses on the prolonged nature of the time.
significant amount of time
Underscores the importance of the duration.
substantial length of time
Highlights the largeness of the duration.
innumerable hours
Emphasizes the countless nature of the hours.
countless hours
Stresses the immeasurable quantity of hours.
immeasurable time
Highlights the impossibility of accurately measuring the time.
extended hours
Focuses on hours being longer than usual.
uncountable hours
Emphasizes the number is so high it cannot be counted.
FAQs
How can I use "millions of hours" in a sentence?
You can use "millions of hours" to describe the duration of a project, the operational time of machinery, or the cumulative viewing time of online content. For example: "The aircraft has logged "millions of hours" of flight time".
What are some alternatives to saying "millions of hours"?
Depending on the context, you could use phrases like "vast duration", "considerable time span", or "extensive period" to convey a similar meaning.
Is it appropriate to use "millions of hours" in formal writing?
Yes, "millions of hours" is appropriate for formal writing, especially when quantifying large amounts of time in reports, articles, or presentations. However, ensure the quantification is accurate and relevant to the discussion.
What's the difference between saying "millions of hours" and "billions of hours"?
"Millions of hours" refers to a quantity in the millions, while "billions of hours" refers to a quantity in the billions. Using the correct term ensures accuracy. For example, a project taking 2,000,000 hours should be described as taking "millions of hours", not billions.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested