apatosaurn.
/əˈpatəsɔː/, U.S. /əˈpædəˌsɔr/ Palaeontology.
A dinosaur of the genus Apatosaurus or of a closely related genus; also called brontosaur. See Apatosaurus n.
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the world > animals > reptiles > extinct reptiles and dinosaurs > [noun] > Sauria > order Saurischia > order Sauropoda > Brontosaurus or diplodocus
Apatosaurus1878
Brontosaurus1879
diplodocus1884
brontosaur1892
apatosaur1895
1895 J. V. Marmery Progress Sci. x. 122 The Ceratosaur was 17 feet, the Megalosaur and the Apatosaur 40, the Diphodocus [sic] and the Cetiosaur 50.
1903 Publ. Field Columbian Mus.: Geol. Ser. 2 170 The Apatosaur specimen is merely a young animal of the form presented in the adult by the Brontosaur specimen.
1972 McGraw-Hill Yearbk. Sci. & Technol. 1971 181/1 Stegosaurus..had shortened forelimbs, a stout tail, and a neural spine pattern like that of apatosaurs.
2005 N.Y. Times (National ed.) 2 Feb. c17/2 A presentation of fossilized apatosaur trackways from Texas that are millions of years old shows a north-south track alignment.
This is a new entry (OED Third Edition, June 2012; most recently modified version published online December 2021).
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n.1895