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单词 nanobacterium
释义

nanobacteriumn.

Brit. /ˌnanə(ʊ)bakˈtɪərɪəm/, U.S. /ˈˌnænoʊˌbækˈtɪriəm/
Inflections: Plural nanobacteria.
Forms: 1900s– nannobacterium, 1900s– nanobacterium.
Origin: Formed within English, by compounding. Etymons: nano- comb. form, bacterium n.
Etymology: < nano- comb. form + bacterium n. Compare slightly later nanobacterial adj.
Microbiology and Geology.
A bacterium of a much smaller size than ordinary bacteria.
ΚΠ
1992 Geol. Soc. Amer. Abstr. with Programs 24 a104/2 Bacteria and nannobacteria revealed in hardgrounds, calcite cements, native sulfur, sulfide minerals, and..travertines.
1993 Scanning 15 (Suppl. III.) We have detected nanobacteria in humans and cows by culture and immunoassay.
1996 New Scientist 17 Aug. 7/2 Most experts are reserving judgment about the existence of these so-called ‘nanobacteria’.
1999 Fortean Times 4 July 66/2 Even if these fossils are the remains of a new type of tiny bacteria, nanobacteria—and researchers now claim to have found these on Earth—they might come from Antarctica, not Mars.
This is a new entry (OED Third Edition, June 2003; most recently modified version published online March 2022).
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n.1992
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