• WordNet 3.6
    • n nighttime the time after sunset and before sunrise while it is dark outside
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Webster's Revised Unabridged Dictionary
    • n Nighttime The time from dusk to dawn; -- opposed to daytime.
    • ***
Century Dictionary and Cyclopedia
    • n nighttime The period of the night.
    • ***


In literature:

Nighttime is a period of continuous strain.
"The New York Times Current History: the European War, February, 1915" by Various
Him had a special dog for to tree 'possums in de nighttime and squirrels in de daytime.
"Slave Narratives Vol. XIV. South Carolina, Part 1" by Various
Besides, I don't care much fer hunting in the nighttime.
"Ted Strong in Montana" by Edward C. Taylor
It was nighttime when they landed.
"Islands of Space" by John W Campbell
And they caused it to be drawn to the Skaean Gate in the nighttime, and left it there for the Trojans to see.
"The Ruinous Face" by Maurice Hewlett
Den in de nighttime us would have wild dreams 'bout dem old skint cow heads.
"Slave Narratives: A Folk History of Slavery in the United States" by Work Projects Administration
Mary Makebelieve used to talk most in the nighttime, but her mother talked most in the morning.
"Mary, Mary" by James Stephens
Morning, afternoon and nighttime found him at his post, and the thoughts of his prospective advancement seemed to worry him.
"Nancy McVeigh of the Monk Road" by R. Henry Mainer
Nighttime in the tropics descends with a surprising rapidity.
"Howard Pyle's Book of Pirates" by Howard I. Pyle
Neither by daytime nor by nighttime was he thereafter to know darkness.
"Sundry Accounts" by Irvin S. Cobb

In news:

The Nighttime Earth From Space Like You've Never Seen It Before.
One in 7 of state's nighttime drivers under the influence of drugs.
Nighttime Jazz on KUER 1.
Nighttime Jazz on KUER 1 RSS.
The Catalina zip line opens for nighttime business on Friday, Dec 16.
Nighttime probation sweep nets 44 arrests.
Nighttime repairs to start for Sarah Mildred Long Bridge bridge.
Whipping, warm wind to usher in nighttime cold front.
Indianapolis neighborhood turned 'war zone' after fiery nighttime explosion.
Home: FS Seminars: FS Seminar – Docklights: Nighttime Excitement.
Florida Sportsman's Jeff Weakley and Jim Langone on the Indian River near Jensen Beach for some outrageous nighttime snook and seatrout bites around residential dock lights.
NASA unveils new nighttime views of Earth.
Northwest Ohio residents may see and hear military F-16 fighter jets on nighttime training missions this week.
Police say one person is dead after a nighttime shooting outside a Las Vegas apartment complex.
Walnut Creek's Ygnacio Valley Road facing nighttime closures.

In science:

Figure 3: O VI λ1032 profile for the total nighttime exposure of all four positions for the LWRS.
Far Ultraviolet Spectra of a Non-Radiative Shock Wave in the Cygnus Loop
Side-ports will be installed in the extra 1m height to improve nighttime ventilation of the dome.
The Stellar Observations Network Group - the Prototype
Agabi A, Aristidi E, Azouit M, Fossat E, Martin F, Sadibekova T, Vernin J, Ziad A (2006) First whole atmosphere nighttime seeing measurements at Dome C, Antarctica.
Astronomy in Antarctica
Trinquet H, Agabi A, Vernin J, Azouit M, Aristidi E, Fossat E (2008) Nighttime optical turbulence vertical structure above Dome C in Antarctica.
Astronomy in Antarctica
The nighttime sky has specific ob jects, and we gave them names: Rigel, Procyon, Fomalhaut, Saturn, Venus, Mars.
Proceedings of the 2011 New York Workshop on Computer, Earth and Space Science