[f. as prec. + -ATION.] Conversion into spores; spore-formation.
1876. trans. Schützenbergers Ferment., 55. The sporulation and budding, differ in no respect from the analogous phenomena which are observed in yeast.
1896. Allbutts Syst. Med., I. 761. As soon as sporulation commences the segments become more perfectly marked out.