tyrothricin (noun)

1. During World War II, tyrothricin played a significant role in treating infections among soldiers on the battlefields.

2. In the chilling horror novel, the protagonist's wound becomes infected by a gruesome Gram-positive bacteria, but tyrothricin is the only hope for survival.

3. In the magical realm of Eldoria, the mystical healers use tyrothricin to cure the rare and deadly infections caused by evil sorcery.

4. In the popular superhero comic series, the hero's ally, a brilliant scientist, creates a groundbreaking ointment with tyrothricin to protect against bacterial infections.