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macrosporangium

American

[mak-roh-spuh-ran-jee-uhm] / ˌmæk roʊ spəˈræn dʒi əm /

noun

Botany.

megasporangium.

macrosporangium British

/ ˌmækrəʊspɔːˈrændʒɪəm /

noun

another name for megasporangium

"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

Etymology

Origin of macrosporangium

First recorded in 1870–75; macro- + sporangium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Secondly, the nucleus of the ovule corresponds with the macrosporangium of Selaginella, through the connecting link of the conifers, where the ovule is of similar origin and position to the macrosporangium of the Lycopodiaceæ.

From Scientific American Supplement, No. 531, March 6, 1886 by Various

C, longitudinal section of a spike, with a single macrosporangium at the base; the others, microsporangia, × 3.

From Elements of Structural and Systematic Botany For High Schools and Elementary College Courses by Campbell, Douglas Houghton

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023