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单词 monoembryony
释义

monoembryonyn.

Brit. /ˌmɒnə(ʊ)ˈɛmbrɪəni/, U.S. /ˌmɑnoʊˈɛmbriəni/
Forms: 1800s monembryony, 1900s– monoembryony.
Origin: Formed within English, by derivation. Etymons: mono- comb. form, embryon n. and adj., -y suffix3.
Etymology: < mono- comb. form + embryon n. and adj. + -y suffix3. Compare polyembryony n.
Botany and Zoology. rare.
The formation (from a single egg) or presence (in a single seed, etc.) of a single embryo.
ΚΠ
1849 J. H. Balfour Man. Bot. §586 In general, one embryo is produced [in fertilization], constituting what is denominated monembryony.
1990 Econ. Bot. 44 165 The close relationship of the forbidden fruit to the grapefruit and the high degree of monoembryony observed among some of the selections may make them important genetic resources for..breeding programs.
This entry has been updated (OED Third Edition, December 2002; most recently modified version published online March 2022).
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n.1849
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