isidium

[ahy-sid-ee-uhm]
noun, plural isidia [ahy-sid-ee-uh] . Botany.
a coralloid outgrowth from the thallus in certain lichens.

Origin:
1865–70; < Neo-Latin, derivative of Isid- (stem of Isis) Isis (from the hornlike appearance of the growth); see -ium

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To isidia
Explore Dictionary.com
Previous Definition: isicr
Next Definition: isidioid
Words Near: isidia
More from Thesaurus.com
Synonyms and Antonyms for isidia
More from Reference.com
Search for articles containing isidia
More from Dictionary.com Translator
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Example sentences for isidia
For reproduction, lichen possess isidia, soredia, and undergo simple fragmentation.
Related Words
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature