Try Our Apps


Is irregardless a word?


[per-uh-thee-shee-uh m, -shuh m, -see-uh m] /ˌpɛr əˈθi ʃi əm, -ʃəm, -si əm/
noun, plural perithecia
[per-uh-thee-shee-uh, -shuh, -see-uh] /ˌpɛr əˈθi ʃi ə, -ʃə, -si ə/ (Show IPA).
the fruiting body of ascomycetous fungi, typically a minute, more or less completely closed, globose or flask-shaped body enclosing the asci.
Origin of perithecium
1825-35; < New Latin; see peri-, thecium
Related forms
perithecial, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
Cite This Source
Examples from the Web for perithecium
Historical Examples
British Dictionary definitions for perithecium


noun (pl) -cia (-sɪə)
(botany) a flask-shaped structure containing asci that are discharged from an apical pore; a type of ascocarp
Word Origin
C19: from New Latin, from peri- + Greek thēkē case
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
Cite This Source
perithecium in Science
  (pěr'ə-thē'shē-əm, -sē-əm)   
Plural perithecia
A small flask-shaped fruiting body in some ascomycete fungi that encloses the asci (spore sacs).
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for perithecium

Few English speakers likely know this word

Word Value for perithecium

Scrabble Words With Friends

Nearby words for perithecium