ooephoridium

O`ö*pho*rid"i*um, n.; pl. L. Oöphorida, E. Oöphoridiums. Etym: [NL., dim. fr. Gr. Oöphore.] (Bot.) Defn: The macrosporangium or case for the larger kind of spores in heterosporous flowerless plants.

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