nostoc
/ˈnɒstɒk/noun
1- Biology a micro-organism composed of beaded filaments which aggregate to form a gelatinous mass, growing in water and damp places and able to fix nitrogen from the atmosphere【生】念珠蓝细菌。
1.1
- Genus Nostoc, division Cyanobacteria.念珠蓝细菌属, 蓝细菌门。
词源
name invented by Paracelsus.