nocturnal

[ nok-tur-nl ]

/ nɒkˈtɜr nl /

SEE SYNONYMS FOR nocturnal ON THESAURUS.COM

adjective

of or relating to the night (opposed to diurnal).

done, occurring, or coming at night: nocturnal visit.

active at night (opposed to diurnal): nocturnal animals.

opening by night and closing by day, as certain flowers (opposed to diurnal).

noun

Archaic. an astrolabe for telling time at night or for determining latitude by the position of certain stars in reference to Polaris.

Origin of nocturnal

From the Late Latin word nocturnālis, dating back to 1475–85. See nocturn, -al¹

SYNONYMS FOR nocturnal

2 nighttime.

SEE SYNONYMS FOR nocturnal ON THESAURUS.COM

OTHER WORDS FROM nocturnal

noc·tur·nal·i·ty, nounnoc·tur·nal·ly, adverbnon·noc·tur·nal, adjectivenon·noc·tur·nal·ly, adverb

sem·i·noc·tur·nal, adjectiveun·noc·tur·nal, adjectiveun·noc·tur·nal·ly, adverb

WORDS THAT MAY BE CONFUSED WITH nocturnal

diurnal, nocturnal

Words nearby nocturnal

noctograph, noctuid, noctule, nocturia, nocturn, nocturnal, nocturnal arc, nocturnal emission, nocturnal enuresis, nocturnal myoclonus, nocturne

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for nocturnal

Revealing these differences can be a stepping stone toward seeing how nocturnal activities are faring under climate change.
Nights are warming faster than days. Here’s what that means for the planet.|Ula Chrobak|October 9, 2020|Popular Science
This research project uses the nocturnal insects as a delivery service for tiny electronic packages that weigh less than a hundredth of an ounce.
These tiny sensors can hitch a ride on mothback|Devin Coldewey|October 8, 2020|TechCrunch
Besides eye and body size, the team also recorded information on where the frogs lived, whether they were diurnal or nocturnal, and certain aspects of their reproductive behavior.
What hundreds of pickled frog carcasses can tell us about their enormous eyes|María Paula Rubiano A.|October 1, 2020|Popular Science
As the sun was setting, we made our way back, along a highway furrowed by hippos during their nocturnal forages.
Walking With Wildebeests: Exploring the Serengeti on Foot|Joanna Eede|July 9, 2013|DAILY BEAST

Coffeehouses stayed open late, while in the countryside, “spinning bees”—nocturnal gatherings of women—were enduringly popular.
The Best of Brit Lit|Peter Stothard|October 12, 2011|DAILY BEAST
Dennis was recovering from a downturn in his life—wild drugs, hospital, and a nocturnal escape organized by Jack Nicholson.
Remembering My Friend Dennis|Caroline Graham|May 29, 2010|DAILY BEAST
With our long immigration stalemate, it is currently, and perhaps eternally, a nocturnal river.
My Night on the Border|Bryan Curtis|May 25, 2010|DAILY BEAST
I will admit, however, they made for some spectacular views of nocturnal Baghdad in its orange bath of streetlights.
Commuting to Iraq|Kyle McEneaney|March 21, 2009|DAILY BEAST
At the sight of her my nocturnal eloquence became preposterous and all the moral values altered altogether.
Tono Bungay|H. G. Wells
In the stillness beyond the window the nocturnal noise of the city heaved wearily, and cold air blew on their faces and shoulders.
Mother|Maksim Gorky
These nocturnal interviews with M. de Camors were rare, and she had usually received him at home.
Monsieur de Camors, Complete|Octave Feuillet
Even thus early, what may be called the nocturnal instinct was strong within him.
Creatures of the Night|Alfred W. Rees
The giving up of interest for the nocturnal mental processes is indeed purposeful.
Dream Psychology|Sigmund Freud

British Dictionary definitions for nocturnal

nocturnal

/ (nɒkˈtɜːnəl) /

adjective

of, used during, occurring in, or relating to the night

(of animals) active at night

(of plants) having flowers that open at night and close by day

Compare diurnal

Derived forms of nocturnal

nocturnality, nounnocturnally, adverb

Word Origin for nocturnal

C15: from Late Latin nocturnālis, from Latin nox night

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for nocturnal

nocturnal

[ nŏk-tûr′nəl ]

adj.

Of, relating to, or occurring in the night.

Most active at night.

Scientific definitions for nocturnal

nocturnal

[ nŏk-tûr′nəl ]

Occurring at night.

Most active at night. Many animals, such as owls and bats, are nocturnal.

Having flowers that open during the night and close at daylight. Nocturnal plants are often pollinated by moths. Compare diurnal.

单词	nocturnal
释义	nocturnal [ nok-tur-nl ] / nɒkˈtɜr nl / SEE SYNONYMS FOR nocturnal ON THESAURUS.COM adjective of or relating to the night (opposed to diurnal). done, occurring, or coming at night: nocturnal visit. active at night (opposed to diurnal): nocturnal animals. opening by night and closing by day, as certain flowers (opposed to diurnal). noun Archaic. an astrolabe for telling time at night or for determining latitude by the position of certain stars in reference to Polaris. Origin of nocturnal From the Late Latin word nocturnālis, dating back to 1475–85. See nocturn, -al¹ SYNONYMS FOR nocturnal 2 nighttime. SEE SYNONYMS FOR nocturnal ON THESAURUS.COM OTHER WORDS FROM nocturnal noc·tur·nal·i·ty, nounnoc·tur·nal·ly, adverbnon·noc·tur·nal, adjectivenon·noc·tur·nal·ly, adverb sem·i·noc·tur·nal, adjectiveun·noc·tur·nal, adjectiveun·noc·tur·nal·ly, adverb WORDS THAT MAY BE CONFUSED WITH nocturnal diurnal, nocturnal Words nearby nocturnal noctograph, noctuid, noctule, nocturia, nocturn, nocturnal, nocturnal arc, nocturnal emission, nocturnal enuresis, nocturnal myoclonus, nocturne Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for nocturnal Revealing these differences can be a stepping stone toward seeing how nocturnal activities are faring under climate change. Nights are warming faster than days. Here’s what that means for the planet.\|Ula Chrobak\|October 9, 2020\|Popular Science This research project uses the nocturnal insects as a delivery service for tiny electronic packages that weigh less than a hundredth of an ounce. These tiny sensors can hitch a ride on mothback\|Devin Coldewey\|October 8, 2020\|TechCrunch Besides eye and body size, the team also recorded information on where the frogs lived, whether they were diurnal or nocturnal, and certain aspects of their reproductive behavior. What hundreds of pickled frog carcasses can tell us about their enormous eyes\|María Paula Rubiano A.\|October 1, 2020\|Popular Science As the sun was setting, we made our way back, along a highway furrowed by hippos during their nocturnal forages. Walking With Wildebeests: Exploring the Serengeti on Foot\|Joanna Eede\|July 9, 2013\|DAILY BEAST Coffeehouses stayed open late, while in the countryside, “spinning bees”—nocturnal gatherings of women—were enduringly popular. The Best of Brit Lit\|Peter Stothard\|October 12, 2011\|DAILY BEAST Dennis was recovering from a downturn in his life—wild drugs, hospital, and a nocturnal escape organized by Jack Nicholson. Remembering My Friend Dennis\|Caroline Graham\|May 29, 2010\|DAILY BEAST With our long immigration stalemate, it is currently, and perhaps eternally, a nocturnal river. My Night on the Border\|Bryan Curtis\|May 25, 2010\|DAILY BEAST I will admit, however, they made for some spectacular views of nocturnal Baghdad in its orange bath of streetlights. Commuting to Iraq\|Kyle McEneaney\|March 21, 2009\|DAILY BEAST At the sight of her my nocturnal eloquence became preposterous and all the moral values altered altogether. Tono Bungay\|H. G. Wells In the stillness beyond the window the nocturnal noise of the city heaved wearily, and cold air blew on their faces and shoulders. Mother\|Maksim Gorky These nocturnal interviews with M. de Camors were rare, and she had usually received him at home. Monsieur de Camors, Complete\|Octave Feuillet Even thus early, what may be called the nocturnal instinct was strong within him. Creatures of the Night\|Alfred W. Rees The giving up of interest for the nocturnal mental processes is indeed purposeful. Dream Psychology\|Sigmund Freud British Dictionary definitions for nocturnal nocturnal / (nɒkˈtɜːnəl) / adjective of, used during, occurring in, or relating to the night (of animals) active at night (of plants) having flowers that open at night and close by day Compare diurnal Derived forms of nocturnal nocturnality, nounnocturnally, adverb Word Origin for nocturnal C15: from Late Latin nocturnālis, from Latin nox night Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to nocturnal nightly, nighttime, late, night Medical definitions for nocturnal nocturnal [ nŏk-tûr′nəl ] adj. Of, relating to, or occurring in the night. Most active at night. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for nocturnal nocturnal [ nŏk-tûr′nəl ] Occurring at night. Most active at night. Many animals, such as owls and bats, are nocturnal. Having flowers that open during the night and close at daylight. Nocturnal plants are often pollinated by moths. Compare diurnal. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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nocturnal

adjective

noun

Origin of nocturnal

SYNONYMS FOR nocturnal

OTHER WORDS FROM nocturnal

WORDS THAT MAY BE CONFUSED WITH nocturnal

Words nearby nocturnal

Example sentences from the Web for nocturnal

British Dictionary definitions for nocturnal

adjective

Derived forms of nocturnal

Word Origin for nocturnal

Words related to nocturnal

Medical definitions for nocturnal

adj.

Scientific definitions for nocturnal