单词 | cetacean |
释义 | cetacean[ si-tey-shuhn ] / sɪˈteɪ ʃən / SEE SYNONYMS FOR cetacean ON THESAURUS.COM adjectivebelonging to the Cetacea, an order of aquatic, chiefly marine mammals, including the whales and dolphins. nouna cetacean mammal. Origin of cetacean1830–40; <New Latin Cetace(a) name of the order (see cet-, -acea) + -an OTHER WORDS FROM cetaceance·ta·ceous, adjectiveWords nearby cetaceancestus, cesura, cet-, CETA, Cetacaine, cetacean, cetaceum, cetane, cetane number, Cetatea Albă, cete Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cetaceanBritish Dictionary definitions for cetaceancetacean / (sɪˈteɪʃən) / adjective Also: cetaceousof, relating to, or belonging to the Cetacea, an order of aquatic placental mammals having no hind limbs and a blowhole for breathing: includes toothed whales (dolphins, porpoises, etc) and whalebone whales (rorquals, right whales, etc) nouna whale Word Origin for cetaceanC19: from New Latin Cētācea, ultimately from Latin cētus whale, from Greek kētos 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 cetaceancetacean [ sĭ-tā′shən ] Any of various, often very large aquatic mammals of the order Cetacea, having a hairless body that resembles that of a fish. Cetaceans have an elongated skull, a flat, horizontal tail, forelimbs modified into broad flippers, and no hind limbs. They breathe through blowholes located usually at the top of the skull. Whales, dolphins, and porpoises are cetaceans. See more at baleen whale toothed whale. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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