nocturnal

[US]/nɒkˈtɜːnl/
[UK]/nɑːkˈtɜːrnl/
Frequency: Very High

Translation

adj. relating to or occurring during the night
n. the quality or state of being active at night
adv. in a manner characteristic of the night

Phrases & Collocations

nocturnal animals

nocturnal emission

nocturnal enuresis

Example Sentences

a nocturnal reconnoitre of the camp.

nocturnal indris with thick gray-brown fur and a long tail.

A small, nocturnal, chiefly arboreal mammal of the genus Bassaricyon native to Central and South America, resembling the kinkajou but having a nonprehensile tail.

Abstract Objective: To study the effect of T-lymphocytes on hematopoietic progenitors in patients with paroxysmal nocturnal hemoglobinuria(PNH).

infection of urinary tract, urinary retention, nocturnal enuresis.Irregular menstruation, hysteroptosis, male sexual dysfunction, pelvic infection.

nocturnal seminal and amnesia;feverish palms and soles;orolingual sore;reddish tongue with little fur;thin and rapid pulse.

If orthopnea causes awakening during the night and is relieved by sitting, it is called paroxysmal nocturnal dyspnea.

Recently,many new research progresses have been acquired in the use of NPPV on COPD patients with nocturnal hypoxaemia, respiratory muscle fatigue or sleep apnea syndrome.

Any of several small, slow-moving, nocturnal prosimian primates of the genera Loris and Nycticebus of tropical Asia, having dense woolly fur, large eyes, and a vestigial tail.

Real-world Examples

An owl is a nocturnal bird, while a sparrow is diunal.

Source: IELTS Vocabulary: Category Recognition

But the battle rages over nocturnal and Sunday work.

Source: NPR News December 2012 Compilation

Leading are nocturnal safari, Hong Kong British educator and photographer Lawrence Hylton.

Source: CNN 10 Student English of the Month

Owls are generally nocturnal, and most animals that are nocturnal have a really good sense of hearing.

Source: Connection Magazine

Now some would " nocturnal" way from the very idea.

Source: CNN 10 Student English Compilation August 2019

Most bats are nocturnal foraging for insects like mosquitos, beetles, and moths.

Source: National Geographic (Children's Section)

Humans are generally not nocturnal by nature.

Source: Psychology Mini Class

Mice are normally nocturnal and, of course, covered by fur.

Source: Science in 60 Seconds Listening Collection July 2014

The reason most people haven't heard about them is they're nocturnal.

Source: VOA Standard July 2015 Collection

The animals and their nocturnal chirps are beloved in their native Puerto Rico.

Source: Science in 60 Seconds: April 2018 Compilation

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