Germinating; sprouting. Also: having the potential to germinate or grow; nascent or rudimentary. Chiefly figurative and in figurative contexts.

That is the place or medium in which something germinates; that promotes germination. Chiefly figurative and in figurative contexts.

A germinating seed or spore; a seedling.

Something that promotes germination; specifically an agent that promotes the germination of bacterial or fungal spores.