macrospore

noun
mac·​ro·​spore | \ ˈmak-rō-ˌspōr How to pronounce macrospore (audio) \

Medical Definition of macrospore

: the larger of two forms of spores produced by certain protozoans (as radiolarians)

called also megaspore

— compare microspore sense 2

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grandiloquent, ostentatious, or bombastic

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