klebs-loffler bacillus

noun

1. a bacterium, Corynebacterium diphtheriae, which causes diphtheria.

noun

1. a rodlike Gram-positive bacterium, Corynebacterium diphtheriae, that causes diphtheria: family Corynebacteriaceae.

n.

1. A gram-positive, nonmotile, rod-shaped bacterium Corynebacterium diphtheriae that causes diphtheria in humans and produces an exotoxin that causes tissue degeneration.