† mesospermn.

Origin: Formed within English, by compounding. Etymons: meso- comb. form, -sperm comb. form.

Etymology: < meso- comb. form + -sperm comb. form. Compare French mésosperme (1868 in Littré). N.E.D. (1906) gives the pronunciation as (me·sospə̄ɹm) /ˈmɛsəʊspɜːm/.

Botany. Obsolete.

The inner coat of the ovule when retained as a distinct layer in the seed. Cf. sarcoderm n.

ΚΠ

1849 J. H. Balfour Man. Bot. §578 Sometimes the secundine remains distinct in the seed, forming what has been called a mesosperm; and when it assumes a fleshy character, it has received the name of sarcosperm or sarcoderm.

1866 J. Lindley & T. Moore Treasury Bot. II. 738/2 Mesosperm, the same as Sarcoderm.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mesosperm
释义	† mesospermn. Origin: Formed within English, by compounding. Etymons: meso- comb. form, -sperm comb. form. Etymology: < meso- comb. form + -sperm comb. form. Compare French mésosperme (1868 in Littré). N.E.D. (1906) gives the pronunciation as (me·sospə̄ɹm) /ˈmɛsəʊspɜːm/. Botany. Obsolete. The inner coat of the ovule when retained as a distinct layer in the seed. Cf. sarcoderm n. ΚΠ 1849 J. H. Balfour Man. Bot. §578 Sometimes the secundine remains distinct in the seed, forming what has been called a mesosperm; and when it assumes a fleshy character, it has received the name of sarcosperm or sarcoderm. 1866 J. Lindley & T. Moore Treasury Bot. II. 738/2 Mesosperm, the same as Sarcoderm. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < n.1849
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