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ballistospore

American  
[buh-lis-tuh-spawr, -spohr] / bəˈlɪs təˌspɔr, -ˌspoʊr /

noun

Mycology.
  1. a forcibly expelled mature fungal spore.


ballistospore British  
/ bəˈlɪstəˌspɔː /

noun

  1. botany a spore, esp a fungal spore, that is forcefully ejected from its source

"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

Etymology

Origin of ballistospore

ballist(ic) + -o- + -spore