Hypertext Webster Gateway: "Tetraspore"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Tetraspore \Tet"ra*spore\, n. [Tetra- + spore.] (Bot.)
A nonsexual spore, one of a group of four regularly occurring
in red seaweeds. -- {Tet`ra*spor"ic}, a.
From WordNet (r) 1.7 (wn)
tetraspore
n : one of the four asexual spores produced within a sporangium
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