rhizobium
/raɪˈzəʊbɪəm/noun
1- a nitrogen-fixing bacterium that is common in the soil, especially in the root nodules of leguminous plants根瘤菌。
1.1
- Genus Rhizobium; Gram-negative rods.根瘤菌属; 革兰氏阴性杆菌。
词源
1920s: modern Latin, from RHIZO- 'root' + Greek bios 'life'.