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.

These huge swings are known as the diurnal temperature range.

From BBC • Mar. 19, 2026

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

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