单词 | polyphyletic |
释义 | polyphyletic[ pol-ee-fahy-let-ik ] / ˌpɒl i faɪˈlɛt ɪk / adjectivedeveloped from more than one ancestral type, as a group of animals. Origin of polyphyleticFirst recorded in 1870–75; poly- + phyletic OTHER WORDS FROM polyphyleticpol·y·phy·let·i·cal·ly, adverbWords nearby polyphyleticpolyphonic, polyphonic prose, polyphony, polyphosphoric acid, polyphrasia, polyphyletic, polyphyodont, polypill, polyplastic, polyplegia, polyploid Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for polyphyleticBritish Dictionary definitions for polyphyleticpolyphyletic / (ˌpɒlɪfaɪˈlɛtɪk) / adjectivebiology relating to or characterized by descent from more than one ancestral group of animals or plants Derived forms of polyphyleticpolyphyletically, adverbWord Origin for polyphyleticC19: from poly- + phyletic 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 Medical definitions for polyphyleticpolyphyletic [ pŏl′ē-fī-lĕt′ĭk ] adj.Descended or derived from more than one ancestral stock or source. Of or being the theory that blood cells are derived from several different stem cells, depending on the particular blood cell type. Other words from polyphyleticpol′y•phy′le•tism (-fī′lĭ-tĭz′əm) n.The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for polyphyleticpolyphyletic [ pŏl′ē-fī-lĕt′ĭk ] Relating to a taxonomic group that does not include the common ancestor of the members of the group and whose members have two or more separate origins. A group that consists of flying vertebrates would be polyphyletic, as bats and birds independently evolved flight and do not share a common ancestor. Compare monophyletic paraphyletic. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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