[pik-nid-ee-uh m]
noun, plural pyc·nid·i·a [pik-nid-ee-uh] /pɪkˈnɪd i ə/. Mycology.
  1. (in certain ascomycetes and fungi imperfecti) a globose or flask-shaped fruiting body bearing conidia on conidiophores.

Origin of pycnidium

1855–60; < New Latin < Greek pykn(ós) close, thick, dense + -idion diminutive suffix
Related formspyc·nid·i·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pycnidia

Historical Examples of pycnidia

  • Probably the species are only pycnidia of Sphæriacei, but that is of no consequence in relation to our present inquiry.

    Fungi: Their Nature and Uses

    Mordecai Cubitt Cooke

British Dictionary definitions for pycnidia


noun plural -ia (-ɪə)
  1. a small flask-shaped structure containing spores that occurs in ascomycetes and certain other fungi

Word Origin for pycnidium

C19: from New Latin, from Greek puknos thick
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