megasporangium
[ meg-uh-spaw-ran-jee-uh m, -spoh- ]
/ ˌmɛg ə spɔˈræn dʒi əm, -spoʊ- /
noun, plural meg·a·spo·ran·gi·a [meg-uh-spaw-ran-jee-uh, -spoh-] /ˌmɛg ə spɔˈræn dʒi ə, -spoʊ-/. Botany.
a sporangium containing megaspores.
Origin of megasporangium
First recorded in 1885–90;
mega- +
sporangium
Words nearby megasporangium
megara,
megarectum,
megaris,
megaron,
megascopic,
megasporangium,
megaspore,
megaspore mother cell,
megasporocyte,
megasporogenesis,
megasporophyll
British Dictionary definitions for megasporangium
megasporangium
/ (ˌmɛɡəspɔːˈrændʒɪəm) /
noun plural -gia (-dʒɪə)
the structure in certain spore-bearing plants in which the megaspores are formed: corresponds to the ovule in seed plants
Compare microsporangium
Scientific definitions for megasporangium
megasporangium
[ mĕg′ə-spə-răn′jē-əm ]
Plural megasporangia
A plant structure in which megaspores are formed, such as those of the female cones of pines.