diurnal
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In studies involving mice, Borniger's lab discovered that breast cancer interferes with normal diurnal rhythms, meaning the natural day and night cycle of stress hormone release.
From Science Daily • Jan. 18, 2026
Despite the warmth in the daytime, this has been at odds with the night-time temperatures with a huge difference between - what weather forecasters call diurnal range.
From BBC • Mar. 7, 2025
Wilder’s drama, offering a guided tour of an ordinary town going about its diurnal business, reminds us, through the inescapable shadow of mortality, of what we have in common.
From Los Angeles Times • Nov. 12, 2024
Yellow-bellied marmots are an excellent study system because they are diurnal, or active during the day, and they have an address.
From Salon • Oct. 23, 2024
They trade normal diurnal rhythms for the perk of having very little inmate contact—at night, all the inmates are locked in their cells.
From "Newjack: Guarding Sing Sing" by Ted Conover
Vocabulary lists containing diurnal
Don't Distress: Words With Irregular Opposites
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The Hitchhiker's Guide to the Galaxy
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Life of Pi
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