单词 | pteridophyte |
释义 | pteridophyte[ tuh-rid-uh-fahyt, ter-i-doh- ] / təˈrɪd əˌfaɪt, ˈtɛr ɪ doʊ- / nounany plant of the division Pteridophyta, characterized by vascular tissue and differentiation into root, stem, and leaves, comprising the ferns, horsetails, and club mosses. Origin of pteridophyte1875–80; <New Latin Pteridophyta;see pterido-, -phyte OTHER WORDS FROM pteridophytepte·rid·o·phyt·ic [tuh-rid-uh-fit-ik, ter-i-doh-], /təˌrɪd əˈfɪt ɪk, ˌtɛr ɪ doʊ-/, pter·i·doph·y·tous [ter-i-dof-i-tuhs], /ˌtɛr ɪˈdɒf ɪ təs/, adjectiveWords nearby pteridophytepter-, pteranodon, pteridine, pterido-, pteridology, pteridophyte, pteridosperm, pterion, ptero-, pterocarpous, pterodactyl Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for pteridophytepteridophyte / (ˈtɛrɪdəʊˌfaɪt) / noun(in traditional classification) any plant of the division Pteridophyta, reproducing by spores and having vascular tissue, roots, stems, and leaves: includes the ferns, horsetails, and club mosses. In modern classifications these plants are placed in separate phyla Derived forms of pteridophytepteridophytic (ˌtɛrɪdəʊˈfɪtɪk) or pteridophytous (ˌtɛrɪˈdɒfɪtəs), adjectiveWord Origin for pteridophyteC19: from pterido-, from Greek pteris fern + -phyte 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 pteridophytepteridophyte [ tə-rĭd′ə-fīt′, tĕr′ĭ-dō- ] Any of various vascular plants that reproduce by spores rather than seeds; a seedless vascular plant. The pteridophytes include the lycophytes, the horsetails, and the ferns, as well as a small group of related plants called the psilophytes and several extinct phyla. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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