noun
- Plural of azotobacter; rod-shaped bacteria capable of fixing atmospheric nitrogen without forming symbiotic relationships with plants.
Usage: scientific/technical term; microbiology
Examples
- Azotobacters are free-living soil bacteria that convert nitrogen gas into ammonia.
- The research team isolated several strains of azotobacters from the agricultural soil samples.
- Azotobacters play an important role in the nitrogen cycle by fixing atmospheric nitrogen.
- These azotobacters can survive in aerobic environments and contribute to soil fertility.
- Scientists study azotobacters to develop sustainable alternatives to synthetic nitrogen fertilizers.