conidium
Concise Oxford English Dictionary © 2008 Oxford University Press:
conidium /kəʊˈnɪdɪəm/
▶noun (pl. conidia /-dɪə/) Botany a spore produced asexually by various fungi at the tip of a specialized hypha.
– origin C19: mod. L., from Gk konis ‘dust’ + the dimin. suffix -idium.
'conidium' also found in these Oxford entries:

