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megasporangium

[ meg-uh-spaw-ran-jee-uhm, -spoh- ]

noun

, Botany.
, plural meg·a·spo·ran·gi·a [meg-, uh, -spaw-, ran, -jee-, uh, -spoh-].
  1. a sporangium containing megaspores.


megasporangium

/ ˌmɛɡəspɔːˈrændʒɪəm /

noun

  1. the structure in certain spore-bearing plants in which the megaspores are formed: corresponds to the ovule in seed plants Compare microsporangium


megasporangium

/ mĕg′ə-spə-rănjē-əm /

, Plural megasporangia

  1. A plant structure in which megaspores are formed, such as those of the female cones of pines.


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Word History and Origins

Origin of megasporangium1

First recorded in 1885–90; mega- + sporangium

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Example Sentences

The number of microspores produced is very large, but only four megaspores are borne in each megasporangium.

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megascopicmegaspore