ballistospore
/bəˈlɪstə(ʊ)spɔː/noun
A spore, produced by certain fungi and slime moulds, which is forcibly ejected on maturity.
Origin
1940s; earliest use found in Mycologia. From French ballistospore from post-classical Latin ballisticus + French -o- + spore. The spore is so called on account of its forcible ejection on maturity.