noun
- plural of bacillus; rod-shaped bacteria
Usage: scientific
Examples
- The laboratory identified several bacilli in the water sample.
- Tuberculosis is caused by bacilli that attack the lungs.
- Under the microscope, the bacilli appeared as small rod-shaped organisms.
- The scientist studied how bacilli reproduce and spread.
- Certain bacilli can cause serious infections if left untreated.
- The antibiotic was effective against most types of bacilli.