| 单词 | megasporangium |
| 释义 | megasporangium[ meg-uh-spaw-ran-jee-uhm, -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 megasporangiumFirst recorded in 1885–90; mega- + sporangium Words nearby megasporangiumMegara, megarectum, Megaris, megaron, megascopic, megasporangium, megaspore, megaspore mother cell, megasporocyte, megasporogenesis, megasporophyll Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for megasporangiummegasporangium / (ˌmɛɡəspɔːˈrændʒɪəm) / noun plural -gia (-dʒɪə)the structure in certain spore-bearing plants in which the megaspores are formed: corresponds to the ovule in seed plantsCompare microsporangium Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for megasporangiummegasporangium [ mĕg′ə-spə-răn′jē-əm ] Plural megasporangiaA plant structure in which megaspores are formed, such as those of the female cones of pines. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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