rhizoid
Americanadjective
noun
noun
-
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.
Other Word Forms
Etymology
Origin of rhizoid
1855–60; rhiz- ( def. ) + -oid
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Vocabulary lists containing rhizoid
Plants (Botany) - Middle School
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Plants (Botany) - High School
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In a bryophyte, all the conspicuous vegetative organs—including the photosynthetic leaf-like structures, the thallus, stem, and the rhizoid that anchors the plant to its substrate—belong to the haploid organism or gametophyte.
From Textbooks ● Jan. 1, 2015
Slowly, the benefits of the endophyte and rhizoid interactions for both partners led to present-day mycorrhizae; up to about 90 percent of today’s vascular plants have associations with fungi in their rhizosphere.
From Textbooks ● Jan. 1, 2015
A, Germinating spores. s, Wall of spore; v, vacuole; w, rhizoid.
From Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
