WordReference Random House Unabridged Dictionary of American English © 2025
hy•po•the•ci•um
(hī′pə thē′shē əm, -sē əm),USA pronunciation n., pl. -ci•a (-shē ə, -sē ə).USA pronunciation [Mycol.]
hy′po•the′ci•al, adj.
- Fungithe layer of hyphal tissue directly beneath the hymenium of an apothecium.
- hypo- + thecium 1865–70