gram negative
/ɡræm ˈnɛɡətɪv/
adjective
- Describing a type of bacteria that does not retain a violet dye in the Gram staining method and appears pink or red under a microscope.
- Gram-negative bacteria like E. coli can cause serious infections.
- Many gram-negative bacteria are resistant to common antibiotics.
- The lab report showed the infection was caused by gram-negative rods.
Antonyms