| 单词 | oligochaete |
| 释义 | oligochaete[ ol-i-goh-keet ] / ˈɒl ɪ goʊˌkit / nounany of various annelids of the family Oligochaeta, including earthworms and certain small, freshwater species, having locomotory setae sunk directly in the body wall. Origin of oligochaete1875–80; <New Latin Oligochaeta;see oligo-, chaeta OTHER WORDS FROM oligochaeteol·i·go·chae·tous, adjectiveWords nearby oligochaeteoligarchy, oligemia, oligo-, oligoamnios, Oligocene, oligochaete, oligoclase, oligocystic, oligodactyly, oligodendria, oligodendrocyte Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for oligochaeteoligochaete / (ˈɒlɪɡəʊˌkiːt) / nounany freshwater or terrestrial annelid worm of the class Oligochaeta, having bristles (chaetae) borne singly along the length of the body: includes the earthworms adjectiveof, relating to, or belonging to the class Oligochaeta Word Origin for oligochaeteC19: from New Latin; see oligo-, chaeta 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 oligochaeteoligochaete oligochete (ŏl′ĭ-gō-kēt′, ō′lĭ-) Any of various annelid worms of the class Oligochaeta. Oligochaetes, unlike polychaetes, have relatively few bristles (called setae) along the body, and often have a thickened, ringlike region (called a clitellum) that secretes a substance used for enclosing eggs in a cocoon. Oligochaetes include the earthworms and a few small freshwater forms. Compare polychaete. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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