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[ahr-kuh-spawr, -spohr]
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noun Botany.
  1. the primitive cell, or group of cells, that give rise to the cells from which spores are derived.
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Origin of archespore

First recorded in 1900–05; arche- + spore
Related formsar·che·spo·ri·al, adjectivesub·ar·che·spo·ri·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for archesporial

Historical Examples

  • In fig. 4, C, which represents a longitudinal section of a young embryo of Pellia, these archesporial cells are shaded.

    Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3


British Dictionary definitions for archesporial


archesporium (ˌɑːkɪˈspɔːrɪəm)

noun plural -spores or -sporia (-ˈspɔːrɪə)
  1. botany the cell or group of cells in a sporangium that gives rise to spores
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Derived Formsarchesporial, adjective
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