phaeodiumn.

Brit.

/fiːˈəʊdɪəm/, U.S.

/feɪˈoʊdiəm/

Inflections: Plural phaeodia.

Origin: A borrowing from Latin. Etymon: Latin phaeodium.

Etymology: < scientific Latin phaeodium (Haeckel 1879, in Sitzungsber. der Jenaischen Ges. f. Med. u. Naturwissensch. 153) < ancient Greek ϕαιός grey (see phaeism n.) + scientific Latin -odium (see -ode comb. form¹).

Zoology.

The dark mass surrounding the largest pore in the central capsule of a phaeodarian radiolarian, consisting of pigmented granules.

ΚΠ

1880 Nature 11 Mar. 449/2 The quantity and consistency with which the Phæodium appears in all Phæodaria.

1900 Jrnl. Quekett Microsc. Club Apr. 265 The central capsule is generally almost entirely imbedded in the phæodium.

1963 G. A. Kerkut Borradaile & Potts's Invertebrata (rev. ed.) ii. 87 Aulactinium... Central capsule with three oscula, one of which is surrounded by a mass of coloured granules (the phaeodium, from which the suborder is named).

1986 Deep-sea Res. 33 939 Gut particles..resembled material present in the environment at the time of collection (suspended particles, large fecal pellets,..and phaeodia of phaeodarian radiolarians).

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	phaeodium
释义	phaeodiumn. Brit. /fiːˈəʊdɪəm/, U.S. /feɪˈoʊdiəm/ Inflections: Plural phaeodia. Origin: A borrowing from Latin. Etymon: Latin phaeodium. Etymology: < scientific Latin phaeodium (Haeckel 1879, in Sitzungsber. der Jenaischen Ges. f. Med. u. Naturwissensch. 153) < ancient Greek ϕαιός grey (see phaeism n.) + scientific Latin -odium (see -ode comb. form¹). Zoology. The dark mass surrounding the largest pore in the central capsule of a phaeodarian radiolarian, consisting of pigmented granules. ΚΠ 1880 Nature 11 Mar. 449/2 The quantity and consistency with which the Phæodium appears in all Phæodaria. 1900 Jrnl. Quekett Microsc. Club Apr. 265 The central capsule is generally almost entirely imbedded in the phæodium. 1963 G. A. Kerkut Borradaile & Potts's Invertebrata (rev. ed.) ii. 87 Aulactinium... Central capsule with three oscula, one of which is surrounded by a mass of coloured granules (the phaeodium, from which the suborder is named). 1986 Deep-sea Res. 33 939 Gut particles..resembled material present in the environment at the time of collection (suspended particles, large fecal pellets,..and phaeodia of phaeodarian radiolarians). This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1880
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