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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
one half hour
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "one half hour" is correct and usable in written English.
It can be used to indicate a duration of time, specifically 30 minutes. Example: "The meeting will last for one half hour, so please be prepared to discuss the agenda."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(6)
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
22 human-written examples
Media Studies – Watch a televised news program for one half hour.
News & Media
Tickets: $25 and $40 ,half-price rush for students and 65+ one half hour before curtain (Anne Midgette).
News & Media
Later, I shifted my dream plan a split of cold champagne one half hour before the tray!
News & Media
"I was trying to create a comedy show that made people really laugh and really cry in one half hour," Ms. Spero said.
News & Media
Auroras and electrojet diminished in intensity and returned to lower latitudes by 5 10 UT, a timescale of about one half hour.
Science
One half hour.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
In accordance with city parking regulations, he moves the vehicle at 7 a.m. on Mondays for one half-hour, for street cleaning.
News & Media
The museum will now be closed on Tuesdays and Wednesdays and will open one half-hour earlier -- at 10 a.m.
News & Media
Total time expended: one half-hour.
News & Media
One half-hour to go to the Operational Center, and yet another half-hour to go to the Alzheimer Center!
News & Media
He cooked some lovely-looking recipes, coq au vin, papardelle with porcini, though you might think five in one half-hour show was a lot to get through.
News & Media
Expert writing Tips
Best practice
When writing formally, consider using "thirty minutes" for clarity, especially in technical or scientific contexts where precision is important.
Common error
Avoid mixing numeral formats within the same context. If you've established a pattern of using numerals for time durations, stick to it (e.g., use "30 minutes" instead of "one half hour").
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "one half hour" functions primarily as a noun phrase specifying a duration of time. It indicates a period equivalent to thirty minutes. As Ludwig AI explains, this phrase is grammatically sound and frequently used.
Frequent in
News & Media
48%
Science
36%
Wiki
10%
Less common in
Formal & Business
3%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "one half hour" is a grammatically correct way to express a duration of 30 minutes. Ludwig confirms its validity and common usage. While interchangeable with "thirty minutes" or "half an hour", it may be less precise for technical contexts. Primarily found in news, media and scientific publications, "one half hour" serves to specify the length of an event or activity. For optimal clarity, choose "thirty minutes" in formal or scientific writing to ensure precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
thirty minutes
Expresses the same duration using a numerical value and unit of time.
half an hour
Reorders the words while retaining the same meaning and using 'an' instead of 'one'.
a half hour
Uses 'a' instead of 'one' without changing the meaning.
0.5 hours
Expresses the duration as a decimal value of hours.
30-minute period
Rephrases as a period of 30 minutes, emphasizing the duration.
a period of thirty minutes
Similar to 'thirty minutes' but extends it into a descriptive phrase.
half-hour interval
Describes the duration as an interval of time.
a span of thirty minutes
Uses 'span' to refer to the duration, adding a bit more descriptive emphasis.
short period
Generalizes the duration to a brief timeframe, losing precise measurement.
brief spell
Replaces the concept of specific timing with a short, indefinite period
FAQs
How can I rephrase "one half hour" in formal writing?
In formal writing, you can replace "one half hour" with more precise terms such as "thirty minutes" or "a period of thirty minutes" for improved clarity and professionalism.
What's the difference between "one half hour" and "half an hour"?
Both phrases are generally interchangeable and mean the same thing. "Half an hour" is more common in everyday speech, while "one half hour" might be used for added emphasis or in more technical contexts.
When is it better to use "one half hour" instead of "30 minutes"?
While "30 minutes" is clearer for technical contexts, "one half hour" can be used in general writing to add variety. Avoid using "one half hour" when precision is key; stick with "30 minutes" in those cases.
Are there situations where "one half hour" might be confusing?
While generally understood, "one half hour" might cause momentary confusion if the context demands exactness. Sticking to "thirty minutes" removes any ambiguity, especially in scientific or scheduling contexts.
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested