aecidium — /ee sid ee euhm/, n., pl. aecidia /ee sid ee euh/. Mycol. an aecium in which the spores are always formed in chains and enclosed in a cup shaped peridium. [1865 70; < NL; see AECIUM, IDIUM] * * * … Universalium
aecidium — /iˈsɪdiəm/ (say ee sideeuhm) noun (plural aecidia /iˈsɪdiə/ (say ee sideeuh)) an aecium in which the spores are always formed in chains and enclosed in a cup shaped peridium. {New Latin, diminutive of Greek aikia injury} …
aecidium — [ē sid′ē əm] n. pl. aecidia [ēsid′ē ə] [ModL, dim. < Gr aikia, harm, injury] an aecium aecidial adj … English World dictionary
aecidium — ēˈsidēəm noun Etymology: New Latin, from Greek aikia + New Latin idium 1. plural aecidia : aecium; especially : a cup shaped or spheroidal aecium with a peridial layer … Useful english dictionary