polyspermicadj.

Brit.

/ˌpɒlɪˈspəːmɪk/, U.S.

/ˌpɑliˈspərmɪk/

Origin: Formed within English, by derivation; probably modelled on a German lexical item. Etymons: polyspermy n., -ic suffix.

Etymology: < polyspermy n. + -ic suffix, probably after German polysperm (O. Hertwig & R. Hertwig 1887, in Jenaische Zeitschr. 20 149).

Biology.

Involving or exhibiting polyspermy.

ΘΚΠ

the world > life > biology > biological processes > procreation or reproduction > fecundation or impregnation > [adjective] > polyspermic

polyspermic1890

1890 J. S. Billings National Med. Dict. II. 368/2 Polyspermic, requiring more than one spermatozoon to fructify the egg.

1894 Anatomischer Anzeiger 9 146 Stained preparations of these eggs show them to be, previous to division, polyspermic.

1953 Austral. Jrnl. Biol. Sci. 6 674 In the polyspermic rat egg, the chromosome complements from the female pronucleus and the male pronuclei all take part in the formation of the first cleavage spindle.

1975 Nature 8 May 112/1 Since silkworms are polyspermic the opportunity then arises for two different male pronuclei to fuse and form a diploid zygote nucleus.

1998 Amer. Naturalist 152 290/2 Up to 7% of eggs were polyspermic in a natural population of free-spawning (fucoid) algae.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	polyspermic
释义	polyspermicadj. Brit. /ˌpɒlɪˈspəːmɪk/, U.S. /ˌpɑliˈspərmɪk/ Origin: Formed within English, by derivation; probably modelled on a German lexical item. Etymons: polyspermy n., -ic suffix. Etymology: < polyspermy n. + -ic suffix, probably after German polysperm (O. Hertwig & R. Hertwig 1887, in Jenaische Zeitschr. 20 149). Biology. Involving or exhibiting polyspermy. ΘΚΠ the world > life > biology > biological processes > procreation or reproduction > fecundation or impregnation > [adjective] > polyspermic polyspermic1890 1890 J. S. Billings National Med. Dict. II. 368/2 Polyspermic, requiring more than one spermatozoon to fructify the egg. 1894 Anatomischer Anzeiger 9 146 Stained preparations of these eggs show them to be, previous to division, polyspermic. 1953 Austral. Jrnl. Biol. Sci. 6 674 In the polyspermic rat egg, the chromosome complements from the female pronucleus and the male pronuclei all take part in the formation of the first cleavage spindle. 1975 Nature 8 May 112/1 Since silkworms are polyspermic the opportunity then arises for two different male pronuclei to fuse and form a diploid zygote nucleus. 1998 Amer. Naturalist 152 290/2 Up to 7% of eggs were polyspermic in a natural population of free-spawning (fucoid) algae. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < adj.1890
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