microbenthosn.

Brit.

/ˌmʌɪkrə(ʊ)ˈbɛnθɒs/, U.S.

/ˌmaɪkroʊˈbɛnˌθɑs/

Origin: Formed within English, by compounding. Etymons: micro- comb. form, benthos n.

Etymology: < micro- comb. form + benthos n. Compare macrobenthos n., and slightly earlier microbenthic adj.

Ecology.

The microfauna of the benthos; spec. the organisms at or near the sea floor or a lake bed that pass through a 0.05 mm mesh.

ΘΚΠ

the world > animals > by habitat > [noun] > of a particular region (fauna) > of particular type

ophiology1815

inquiline1879

pilgrim1888

microfauna1895

topomorph1897

faunule1909

cryptozoa1911

epifauna1914

macrofauna1918

megafauna1927

macrobenthos1942

meiobenthos1942

microbenthos1942

meiofauna1950

megafauna1975

1942 M. F. Mare in Jrnl. Marine Biol. Assoc. 25 519 A new terminology is needed, and these groups are here designated the macrobenthos, meiobenthos, and microbenthos.

1942 R. L. Lindeman in Ecology 23 10/2 As spring thaws relieved the oxygen deficiency..it was impossible to study the effects of more extended anaerobiosis on the natural microbenthos.

1967 Oceanogr. & Marine Biol. 5 501 According to Laubier, this endolithic fauna..includes..an important animal microbenthos chiefly consisting of very small polychaetes..and harpacticoid copepods.

1988 Nature 26 May 316/2 Biosedimentary structures attributable to the mat-building activities of prokaryotic microbenthos (‘stromatolites’).

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

单词	microbenthos
释义	microbenthosn. Brit. /ˌmʌɪkrə(ʊ)ˈbɛnθɒs/, U.S. /ˌmaɪkroʊˈbɛnˌθɑs/ Origin: Formed within English, by compounding. Etymons: micro- comb. form, benthos n. Etymology: < micro- comb. form + benthos n. Compare macrobenthos n., and slightly earlier microbenthic adj. Ecology. The microfauna of the benthos; spec. the organisms at or near the sea floor or a lake bed that pass through a 0.05 mm mesh. ΘΚΠ the world > animals > by habitat > [noun] > of a particular region (fauna) > of particular type ophiology1815 inquiline1879 pilgrim1888 microfauna1895 topomorph1897 faunule1909 cryptozoa1911 epifauna1914 macrofauna1918 megafauna1927 macrobenthos1942 meiobenthos1942 microbenthos1942 meiofauna1950 megafauna1975 1942 M. F. Mare in Jrnl. Marine Biol. Assoc. 25 519 A new terminology is needed, and these groups are here designated the macrobenthos, meiobenthos, and microbenthos. 1942 R. L. Lindeman in Ecology 23 10/2 As spring thaws relieved the oxygen deficiency..it was impossible to study the effects of more extended anaerobiosis on the natural microbenthos. 1967 Oceanogr. & Marine Biol. 5 501 According to Laubier, this endolithic fauna..includes..an important animal microbenthos chiefly consisting of very small polychaetes..and harpacticoid copepods. 1988 Nature 26 May 316/2 Biosedimentary structures attributable to the mat-building activities of prokaryotic microbenthos (‘stromatolites’). This entry has been updated (OED Third Edition, December 2001; most recently modified version published online March 2022). < n.1942
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