† polytheciumn.

Inflections: Plural polythecia.

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

Etymology: < scientific Latin polythecium < poly- poly- comb. form + Hellenistic Greek θηκίον (see thecium n.); compare -thecium comb. form. N.E.D. (1907) gives the pronunciation as (pǫliþī·ʃiɒ̆m, -þī·siɒ̆m) /pɒlɪˈθiːʃɪəm/ /-ˈθiːsɪəm/.

Zoology. Obsolete. rare.

A structure consisting of the fused shells of colonial protozoans. Cf. zoothecium n. at zoo- comb. form .

ΘΚΠ

the world > animals > invertebrates > protozoa > class Infusoria > [noun] > member of > colony of

polythecium1880

1880–1 W. Saville-Kent Man. Infusoria I. 360 Forming by the serial conjunction of their respective loricæ a more or less extensive branching colony-stock or polythecium.

Derivatives

† polythecial adj. Obsolete rare Apparently only attested in dictionaries or glossaries.

ΚΠ

1890 Cent. Dict. Polythecial, forming a polythecium; pertaining to a compound zoöthecium; compositely zoöthecial.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online June 2021).

单词	polythecium
释义	† polytheciumn. Inflections: Plural polythecia. Origin: A borrowing from Latin. Etymon: Latin polythecium. Etymology: < scientific Latin polythecium < poly- poly- comb. form + Hellenistic Greek θηκίον (see thecium n.); compare -thecium comb. form. N.E.D. (1907) gives the pronunciation as (pǫliþī·ʃiɒ̆m, -þī·siɒ̆m) /pɒlɪˈθiːʃɪəm/ /-ˈθiːsɪəm/. Zoology. Obsolete. rare. A structure consisting of the fused shells of colonial protozoans. Cf. zoothecium n. at zoo- comb. form . ΘΚΠ the world > animals > invertebrates > protozoa > class Infusoria > [noun] > member of > colony of polythecium1880 1880–1 W. Saville-Kent Man. Infusoria I. 360 Forming by the serial conjunction of their respective loricæ a more or less extensive branching colony-stock or polythecium. Derivatives † polythecial adj. Obsolete rare Apparently only attested in dictionaries or glossaries. ΚΠ 1890 Cent. Dict. Polythecial, forming a polythecium; pertaining to a compound zoöthecium; compositely zoöthecial. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online June 2021). < n.1880
随便看	θ113672 θ113673 θ113674 θ113675 θ113676 θ113677 θ113678 θ113679 θ11368 θ113680 θ113681 θ113682 θ113683 θ113684 θ113685 θ113686 θ113687 θ113688 θ113689 θ11369 θ113690 θ113691 θ113692 θ113693 θ113694