Definitions for "Nightfall "
Nightfall is the second album by Swedish doom metal band Candlemass released in 1987. It was the first album to feature Messiah Marcolin on vocals.
Nightfall is an American computer game released in 1998 by Altor Systems, Inc.. It is the first real time 3D first person adventure game and is only compatible with Apple computers which use the Mac OS. Essentially, the gameplay is similar to 3D first person action games such as Doom as the world is three dimensional however numerous sprites are used for objects such as vases and rats.
Nightfall is a melodic death metal band from Greece, formed by vocalist/bassist Efthimis Karadimas in 1991. Drummer George Kollias left the band in 2005 to join the American technical death metal band Nile.
When the darkness spread out, eventually covering all of the known world
"Nightfall" is an influential science fiction short story (later adapted into a novel) by author Isaac Asimov, about the coming of darkness to the people of a planet ordinarily illuminated at all times on all sides. Considered a classic of the genre, "Nightfall" has been anthologized no fewer than four dozen times, and has appeared in at least another half-dozen collections of Asimov's older stories. In 1968 the Science Fiction Writers of America voted "Nightfall" the best science fiction short story ever written.
Nightfall is the title of a radio drama series produced and aired by CBC Radio (see Canadian Broadcasting Corporation) from July 1980 to June 1983. While primarily a supernatural/horror series, Nightfall featured some episodes in other genres, such as science fiction, mystery, fantasy, and human drama. One episode was even adapted from a folk song by Stan Rogers.
Astronomy for fun . Nightfall is an interactive application to simulate eclipsing binary stars, and to produce animated views, synthetic lightcurves and more. Takes into account the non-spherical shape of close binary stars, mutual reflection, and some other effects. Comes with documentation, on-line help, and lots of observational data of real binary stars.
Nightfall is a 1957 black-and-white film directed by Jacques Tourneur. The film, considered film noir, stars Aldo Ray, Brian Keith and Anne Bancroft. The low-budget film is remembered today for camera work by cinematographer Burnett Guffey.
Keywords:  supervillain, comics, name
Nightfall is the name of a DC Comics supervillain.
the time of day immediately following sunset; "he loved the twilight"; "they finished before the fall of night"
Keywords:  dusk, arrival, day, close, period
The close of the day; the arrival of the night; the period at and just after dusk.