Definitions

from The Century Dictionary.

  • noun A monotypic genus of lichens having a small crustaceous thallus bearing small perithecia with four-spored asci. The species, P. actinellum, occurs on chalk rocks in England.

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word pyrenidium.

Examples

    Sorry, no example sentences found.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.