PERISPERM

perisperm

(noun) the nutritive tissue outside the sac containing the embryo in some seeds

Source: WordNet® 3.1


Etymology

Noun

perisperm (plural perisperms)

(biology) The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.

Source: Wiktionary


Per"i*sperm, n. Etym: [F. périsperme. See Peri-, and Sperm.] (Bot.)

Definition: The albumen of a seed, especially that portion which is formed outside of the embryo sac.

– Per`i*sper"mic, a.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

19 November 2024

SALTWORT

(noun) bushy plant of Old World salt marshes and sea beaches having prickly leaves; burned to produce a crude soda ash


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Coffee Trivia

The world’s most expensive coffee costs more than US$700 per kilogram. Asian palm civet – a cat-like creature in Indonesia, eats fruits, including select coffee cherries. It excretes partially digested seeds that produce a smooth, less acidic brew of coffee called kopi luwak.

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