英语词汇“root pressure”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	root pressure
释义	root pressure noun Botany. osmotic pressure within the cells of a root system that causes sap to rise through a plant stem to the leaves. Origin of root pressure First recorded in 1870–75 Words nearby root pressure root of tongue, root of tooth, root of unity, root out, root position, root pressure, root resection, root rot, roots, Roots blower, rootserver Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Scientific definitions for root pressure root pressure Pressure produced in the roots of plants, causing exudation of sap from cut stems and guttation of water from leaves. The pressure is generated by the concentration of solutes in the xylem of the root and stem, which in turn causes water to move into the xylem by osmosis. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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root pressure