from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A structure that produces spermatia in red algae.
from The Century Dictionary and Cyclopedia
- n. A multicellular organ which gives rise to sperms, found in the Characeæ and the brown alga Dictyota: formerly included under antheridium. See spermatocyst, 3.
New Latin : spermat(ium) + -angium, vessel (from Greek angeion; see angio-).(American Heritage® Dictionary of the English Language, Fourth Edition)
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