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rhizoid

[ rahy-zoid ]
/ ˈraɪ zɔɪd /

adjective

rootlike.

noun

(in mosses, ferns, etc.) one of the rootlike filaments by which the plant is attached to the substratum.

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Origin of rhizoid

1855–60; rhiz- + -oid

OTHER WORDS FROM rhizoid

rhi·zoi·dal, adjective

Words nearby rhizoid

rhizocarpous, rhizocephalan, rhizocephalous, rhizoctonia, rhizogenic, rhizoid, rhizome, rhizomelia, rhizomeningomyelitis, rhizomorph, rhizomorphous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for rhizoid

British Dictionary definitions for rhizoid

rhizoid
/ (ˈraɪzɔɪd) /

noun

any of various slender hairlike structures that function as roots in the gametophyte generation of mosses, ferns, and related plants

Derived forms of rhizoid

rhizoidal, adjective
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 rhizoid

rhizoid
[ rī′zoid′ ]

adj.

Rootlike.
Having irregular branching. Used of a form of bacterial growth.

n.

A slender rootlike filament by which mosses, liverworts, and fern gametophytes attach to the substratum and absorb nourishment.
A rootlike extension of the thallus of a fungus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for rhizoid

rhizoid
[ rī′zoid′ ]

A slender, rootlike filament by which mosses, liverworts, and the gametophytes of ferns attach themselves to the material in which they grow.
A branching, rootlike extension by which algae and fungi absorb water and nutrients.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.