单词 | taproot |
释义 | taproot[ tap-root, -root ] / ˈtæpˌrut, -ˌrʊt / noun Botany.a main root descending downward from the radicle and giving off small lateral roots. Origin of taprootFirst recorded in 1595–1605; tap2 + root1 Words nearby taproottappet, tapping, tapping up, tappit-hen, taproom, taproot, taps, tapsal-teerie, tapster, tapu, tap water Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for taprootBritish Dictionary definitions for taproottaproot / (ˈtæpˌruːt) / nounthe large single root of plants such as the dandelion, which grows vertically downwards and bears smaller lateral roots Derived forms of taproottaprooted, adjectiveWord Origin for taprootC17: from tap ² + root 1 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 Cultural definitions for taproottaproot The single deep root of many deciduous trees that forms the basis for their root systems. notes for taprootFiguratively, a “taproot” is the source of an idea or work: “His childhood in Wales is the taproot of his poetry.” The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for taproottaproot [ tăp′rōōt′, -rut′ ] The main root in gymnosperms, eudicotyledons, and magnoliids, usually stouter than the lateral roots and growing straight downward from the stem. The taproot develops from the primary root. The taproot and its lateral roots penetrate deeper into the soil than the fibrous roots characteristic of monocotyledons. Compare fibrous root. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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