30 minutes
- noun
- Following the classroom observation, the principal researcher conducted a final 30-minute interview with each participant individually.
- take 30 minutes
- last 30 minutes
- approximately 30 minutes
In those thirty minutes, I took stock of my entire life and I realized there were a lot of things about myself that I wanted to change.
- In those thirty minutes, I took stock of my entire life and I realized there were a lot of things about myself that I wanted to change.
Examples
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The survey was self-administered on a computer or handheld device and required approximately 30 minutes to complete.
Academic text (2011) -
We should be in and out in 30 minutes.
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I have a place about 30 minutes away.
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We're live in 30 minutes!
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Could take me 30 minutes.
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Don't forget, staff meeting in 30 minutes.
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It'll take about 30 minutes to check it.
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Each interview lasted no more than 30 minutes and was conducted by the principal researcher.
Academic text (2011) -
Patients volunteered to fill out a 30-minute survey concerning dialysis patients, stress, and coping.
Academic text (2008) -
We should be in and out in 30 minutes.
Synonyms
A period of thirty minutes
How Long
- Informal
Surface Forms
Morphology
The meaning 'a period of time equal to half an hour' is directly derivable from combining the numeral 'thirty' with the time unit 'minute' — a literal, compositional numeral + unit expression. This is a common, cross-linguistic pattern for expressing duration, so a B1 learner who knows both constituents will readily understand it.
Etymology
30 Minutes simply means 'half an hour'. On a clock, when the minute hand points at the 6, thirty minutes have passed, so the phrase means a short period equal to 'half an hour'.