Dictionary.com

rhizosphere

[ rahy-zuh-sfeer ]
/ ˈraɪ zəˌsfɪər /
Save This Word!

noun
the area of soil that surrounds the roots of a plant and is altered by the plant's root growth, nutrients, respiration, etc.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use rhizosphere in a sentence

British Dictionary definitions for rhizosphere

rhizosphere
/ (ˈraɪzəʊˌsfɪə) /

noun
the region of the soil in contact with the roots of a plant. It contains many microorganisms and its composition is affected by root activities
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 rhizosphere

rhizosphere
[ rīzə-sfîr′ ]

The soil zone that surrounds and is influenced by the roots of plants. Within the rhizosphere, roots secrete a slimy lubricating substance, called mucigel, that cause the particles of soil to adhere to the roots, assisting in the uptake of water, and encourages the growth of nitrogen-fixing bacteria and other beneficial microorganisms.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
FEEDBACK