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 (ə-păt′ə-sôr′əs) or a·pat·o·saur (ə-păt′ə-sôr′)
A very large herbivorous sauropod dinosaur of the genus Apatosaurus of the Jurassic Period, having a long neck and tail and a small head.

[New Latin Apatosaurus, unreal lizard, genus name : Greek apatē, untruth, lie + Greek sauros, lizard.]


(ə-păt′ə-sôr′əs) or a·pat·o·saur (ə-păt′ə-sôr′)
A very large sauropod dinosaur of the late Jurassic Period, having a long neck and tail and a relatively small head. See Note at brontosaurus.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.apatosaurus - huge quadrupedal herbivorous dinosaur common in North America in the late Jurassicapatosaurus - huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic
sauropod, sauropod dinosaur - very large herbivorous dinosaur of the Jurassic and Cretaceous having a small head a long neck and tail and five-toed limbs; largest known land animal
genus Apatosaurus, genus Brontosaurus - large quadrupedal herbivorous dinosaurs with very long neck and tail; late Jurassic
References in periodicals archive ?
A timid Apatosaurus befriends a human boy and the two new pals team up to survive a dangerous landscape.
The Morrison Fossil Area National Natural Landmark features fossils from several dinosaurs, including the Stegosaurus, Apatosaurus, Diplodocus and Allosaurus.
CHRISTMAS DAY The Good Dinosaur (2015) (BBC1, 1.30pm) Premiere A family of Apatosaurus comprising patriarch Henry (voiced by Jeffrey Wright), wife Ida (Frances McDormand) and three children Buck (Marcus Scribner), Libby (Maleah Padilla) and Arlo (Raymond Ochoa) tend a farm and harvest crops for the bitter winter months.
"My favourite is the long-necked Apatosaurus," she says.
Some pateobiologists believe that long-tailed dinosaurs such as Apatosaurus could flick their tails at Mach 1 (l,225km/h) speed to generate an intimidating booming noise.
7 the good dinosaur (2015) FAMILY animated movie from Pixar about a friendship between an Apatosaurus dinosaur named Arlo and an unlikely human friend.
"The Apatosaurus has no hump on its head and has a longer neck, but the Brachiosaurus does have a hump and it's larger.
The realistic art style of author Ted Rechlin perfectly complements an action-packed story in keeping with the latest scientific findings about dinosaurs (such as the 2015 discovery that the Brontosaurus does in fact belong to a separate genus from Apatosaurus).
Debunked as only an apatosaurus, which was also discovered by Marsh two years earlier, the brontosaurus went from being one of the best known dinosaurs to one of paleontology's best known blunders.
Incluye una muestra de la reconstruccion del tiranosaurio rex, el apatosaurus, y la maqueta de 40 metros de largo de un tiranosaurio.Tiene una sala de cine IMAX, ademas el mundo submarino en la Sala Milstein y el espectaculo Dark Universe del Hayden Planetarium.
"They are all different types, like T Rex, velociraptor, brachiosaurus, stegosaurus and apatosaurus.