germinant
/ˈdʒəːmɪnənt/adjective
1Germinating; sprouting. Also: having the potential to germinate or grow; nascent or rudimentary. Chiefly figurative and in figurative contexts.
2That is the place or medium in which something germinates; that promotes germination. Chiefly figurative and in figurative contexts.
noun
1A germinating seed or spore; a seedling.
2Chiefly Microbiology. Something that promotes germination; specifically an agent that promotes the germination of bacterial or fungal spores.
Origin
Late Middle English; earliest use found in Palladius' De Re Rustica. From classical Latin germinant-, germināns, present participle of germināre germinate.