gonidium

[goh-nid-ee-uh m]
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noun, plural go·nid·i·a [goh-nid-ee-uh] /goʊˈnɪd i ə/.

(in algae) any one-celled asexual reproductive body, as a tetraspore or zoospore.
an algal cell, or a filament of an alga, growing within the thallus of a lichen.

Origin of gonidium

1835–45; < New Latin, equivalent to gon- gon- + -idium noun suffix
Related formsgo·nid·i·al, go·nid·ic, adjectivego·nid·i·oid, adjectivein·ter·go·nid·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for gonidium

gonidium

noun plural -ia (-ɪə)

a green algal cell in the thallus of a lichen
an asexual reproductive cell in some colonial algae
Derived Formsgonidial or gonidic, adjective

Word Origin for gonidium

C19: from New Latin, diminutive from gono-
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

gonidium in Science

gonidium

[gō-nĭdē-əm]

Plural gonidia

An asexual reproductive cell found in certain algae that form colonies. Gonidia undergo repeated mitoses to form new colonies, which then hatch out of the parent colonies.
A chlorophyll-bearing, photosynthetic algal cell housed in the thallus of a lichen.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.