metacoelomn.

Brit.

/ˌmɛtəˈsiːləm/, U.S.

/ˌmɛdəˈsiləm/

Forms: 1800s– metacoelome, 1900s– metacoelom.

Origin: Formed within English, by derivation. Etymons: meta- prefix, cœlome n.

Etymology: < meta- prefix + cœlome n. Apparently coined by G. Bourne (see quot. 1888); compare slightly earlier metacoel n. and metacoelosis n. N.E.D. (1906) enters this under metacœlome and gives the pronunciation as (metăsī·lo^um) /mɛtəˈsiːləʊm/.

Zoology. rare.

= metacoel n.

ΚΠ

1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 223 Nephridial funnels appear to be present in all Leeches... They are perforate in Nephelis and Trochaeta, and in these genera they open into special spaces developed in the botryoidal tissue, termed by Gibbs Bourne ‘metacoelome’.

1992 M. Stachowitsch Invertebr. 509/2 Metacoel (metacoelom, trunk coelom), posteriormost and largest of three body cavities [in Phoronida]..consisting of cavity within trunk.

This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022).

单词	metacoelom
释义	metacoelomn. Brit. /ˌmɛtəˈsiːləm/, U.S. /ˌmɛdəˈsiləm/ Forms: 1800s– metacoelome, 1900s– metacoelom. Origin: Formed within English, by derivation. Etymons: meta- prefix, cœlome n. Etymology: < meta- prefix + cœlome n. Apparently coined by G. Bourne (see quot. 1888); compare slightly earlier metacoel n. and metacoelosis n. N.E.D. (1906) enters this under metacœlome and gives the pronunciation as (metăsī·lo^um) /mɛtəˈsiːləʊm/. Zoology. rare. = metacoel n. ΚΠ 1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 223 Nephridial funnels appear to be present in all Leeches... They are perforate in Nephelis and Trochaeta, and in these genera they open into special spaces developed in the botryoidal tissue, termed by Gibbs Bourne ‘metacoelome’. 1992 M. Stachowitsch Invertebr. 509/2 Metacoel (metacoelom, trunk coelom), posteriormost and largest of three body cavities [in Phoronida]..consisting of cavity within trunk. This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1888
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