gram positive
/ɡræm ˈpɑzɪtɪv/
adjective
- Describing bacteria that turn purple when stained with a certain dye (Gram stain), because they have a thick cell wall.
- The lab report showed the infection was caused by gram-positive cocci.
- Gram-positive bacteria like Staphylococcus can cause skin infections.
- Penicillin is often effective against many gram-positive bacteria.
Antonyms