单词 | hadrosaur |
释义 | hadrosaur[ had-ruh-sawr ] / ˈhæd rəˌsɔr / nouna bipedal dinosaur of the genus Hadrosaurus, belonging to the ornithopod family Hadrosauridae of the late Cretaceous Period, having broad, flat jaws for scooping up water plants. Also called duck-billed dinosaur. Origin of hadrosaur<New Latin Hadrosaurus (1858) genus name, equivalent to Greek hadr(ós) thick, bulky + -o--o- + saûros-saur OTHER WORDS FROM hadrosaurhad·ro·sau·ri·an, adjectiveWords nearby hadrosaurhadopelagic zone, had rather, Hadrian, Hadrian's Wall, hadron, hadrosaur, hadst, had, to be, Had we but world enough, and time, / This coyness, Lady, were no crime, hae, haecceity Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for hadrosaurhadrosaur hadrosaurus (ˌhædrəˈsɔːrəs)/ (ˈhædrəˌsɔː) / nounany one of a large group of bipedal Upper Cretaceous dinosaurs of the genus Anatosaurus, Maiasaura, Edmontosaurus, and related genera: partly aquatic, with a duck-billed skull and webbed feetAlso called: duck-billed dinosaur Word Origin for hadrosaurC19: from Greek hadros thick, fat + -saur 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 Scientific definitions for hadrosaurhadrosaur [ hăd′rə-sôr′ ] Any of various medium-sized to large dinosaurs of the group Hadrosauroidea of the Cretaceous Period. Hadrosaurs had a duck-like bill and a mouth containing many series of rough grinding teeth for chewing tough plants. They walked on two legs or on all fours and had hoofed feet. Many hadrosaurs bore hollow crests on their skulls. They were the last and largest ornithopod dinosaurs. Also called duck-billed dinosaur The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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