polythalamousadj.

Brit.

/ˌpɒlɪˈθaləməs/, U.S.

/ˌpɑliˈθæləməs/

Origin: Either (i) a borrowing from Latin, combined with English elements. Or (ii) a borrowing from Greek, combined with English elements. Etymons: poly- comb. form, Latin thalamus ; Greek θάλαμος , -ous suffix.

Etymology: < poly- comb. form + scientific Latin thalamus or its etymon ancient Greek θάλαμος inner chamber (see thalamus n.) + -ous suffix. In sense 2 after French polythalame ( Lamarck Hist. nat. des animaux sans vertèbres (1822) VII. 649). Compare earlier monothalamous adj.

1. Entomology. Of a plant gall: having more than one chamber.

ΘΚΠ

the world > life > biology > physical aspects or shapes > indentation or cavity > [adjective] > depression or cavity > having chambers

concamerated1747

camerated1817

polythalamous1828

polythalamic1870

camerate1881

1828 W. Kirby & W. Spence Introd. Entomol. (ed. 5) I. xiv. 451 Some galls are polythalamous or consisting of several chambers.

1918 Bot. Gaz. 65 540 If the eggs are habitually deposited in an aggregate manner, a polythalamous gall is almost certain to result.

1994 Environmental Entomol. 23 115 The larvae..develop in ovoid chambers in polythalamous summer galls on the flower heads.

2. Zoology. Of or designating an animal having a shell, test, or skeleton with more than one chamber.

ΚΠ

1833 Lancet 21 Dec. 506/1 The nautilus..forms internally a series of distinct chambers, thus composing what is called a multilocular or polythalamous shell.

1876 D. Page Introd. Geol. xx. 428 Calcareous ooze and marls, rich in polythalamous..foraminifera.

2002 Jrnl. Foraminiferal Res. 32 384 Some distinctive deep-sea forms..are polythalamous; the test consists of more or less well-defined chambers and the wall is brownish in colour.

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

单词	polythalamous
释义	polythalamousadj. Brit. /ˌpɒlɪˈθaləməs/, U.S. /ˌpɑliˈθæləməs/ Origin: Either (i) a borrowing from Latin, combined with English elements. Or (ii) a borrowing from Greek, combined with English elements. Etymons: poly- comb. form, Latin thalamus ; Greek θάλαμος , -ous suffix. Etymology: < poly- comb. form + scientific Latin thalamus or its etymon ancient Greek θάλαμος inner chamber (see thalamus n.) + -ous suffix. In sense 2 after French polythalame ( Lamarck Hist. nat. des animaux sans vertèbres (1822) VII. 649). Compare earlier monothalamous adj. 1. Entomology. Of a plant gall: having more than one chamber. ΘΚΠ the world > life > biology > physical aspects or shapes > indentation or cavity > [adjective] > depression or cavity > having chambers concamerated1747 camerated1817 polythalamous1828 polythalamic1870 camerate1881 1828 W. Kirby & W. Spence Introd. Entomol. (ed. 5) I. xiv. 451 Some galls are polythalamous or consisting of several chambers. 1918 Bot. Gaz. 65 540 If the eggs are habitually deposited in an aggregate manner, a polythalamous gall is almost certain to result. 1994 Environmental Entomol. 23 115 The larvae..develop in ovoid chambers in polythalamous summer galls on the flower heads. 2. Zoology. Of or designating an animal having a shell, test, or skeleton with more than one chamber. ΚΠ 1833 Lancet 21 Dec. 506/1 The nautilus..forms internally a series of distinct chambers, thus composing what is called a multilocular or polythalamous shell. 1876 D. Page Introd. Geol. xx. 428 Calcareous ooze and marls, rich in polythalamous..foraminifera. 2002 Jrnl. Foraminiferal Res. 32 384 Some distinctive deep-sea forms..are polythalamous; the test consists of more or less well-defined chambers and the wall is brownish in colour. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online June 2022). < adj.1828
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