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abstriction

[ab-strik-shuh n]
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noun Mycology.
  1. a method of spore formation in fungi in which successive portions of the sporophore are cut off through the growth of septa; abjunction.
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Origin of abstriction

First recorded in 1640–50; ab- + striction
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for abstriction

abstriction

noun
  1. the separation and release of a mature spore from a sporophore by the formation of a septum. This process occurs in some fungi
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Word Origin

C17: from Latin ab- 1 + strictio a binding, from stringere to bind
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