Hypertext Webster Gateway: "Perisperm"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Perisperm \Per"i*sperm\, n. [F. p['e]risperme. See {Peri-}, and
{Sperm}.] (Bot.)
The albumen of a seed, especially that portion which is
formed outside of the embryo sac. -- {Per`i*sper"mic}, a.
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