from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A unicellular sporangium found in certain red algae in which four tetraspores are produced from meiosis.
from The Century Dictionary and Cyclopedia
- n. In botany, a sporangium or cell in which tetraspores are produced.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a sporangium containing four asexual spores
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