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单词 zooidogamous
释义

zooidogamousadj.

Brit. /ˌzəʊɔɪˈdɒɡəməs/, /ˌzuːɔɪˈdɒɡəməs/, U.S. /ˌzoʊɔɪˈdɑɡəməs/
Forms: 1800s zooidiogamous, 1900s– zooidogamous.
Origin: Formed within English, by compounding. Etymons: zooid n., -o- connective, -gamous comb. form.
Etymology: < zooid n. + -o- connective + -gamous comb. form. With the form zooidiogamous compare scientific Latin zoidiogamus (1888 or earlier).
Chiefly Botany.
Designating a type of fertilization resembling that found in animals, involving at least one motile gamete; exhibiting fertilization of this kind.
ΚΠ
1891 Nature 17 Sept. 484/1 Karyogamy is..Zooidiogamous: one gamete at least is actively motile.
1904 Ann. Bot. 18 251 In the Ferns and zooidogamous Gymnosperms, the centrosome-like body gives rise directly to this band.
1976 Amer. Jrnl. Bot. 63 545/1 The presence of a multilayered structure..in developing male gametes is now generally recognized as a common feature of zooidogamous archegoniate plants.
1997 W. F. Friedman & E. F. Gifford in T. Hori et al. Ginkgo Biloba–Global Treasure 29 It has been a century since the discovery of zooidogamous reproduction among seed plants.
This entry has been updated (OED Third Edition, June 2017; most recently modified version published online March 2022).
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adj.1891
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