Battle of Clontarf, a battle fought in 1014, near Dublin, in the Republic of Ireland, in which the Danes were defeated by the Irish but the Irish king, Brian Boru, was killed
- Clonorchis sinensis
Clonorchis sinensis Clo·nor·chis si·nen·sis (klō-nôr’kĭs sə-něn’sĭs) n. A trematode worm that causes clonorchiasis in humans; the Oriental liver fluke.
- Clostridium novyi
Clostridium novyi Clostridium no·vy·i (nō’vē-ī’) n. A bacterium consisting of three types: A, B, and C; type A causes gaseous gangrene and necrotic hepatitis.
- Clostridium parabotulinum
Clostridium parabotulinum Clostridium par·a·bot·u·li·num (pār’ə-bŏch’ə-lī’nəm) n. A bacterium that produces a powerful exotoxin and is pathogenic to humans; it was formerly classified as Clostridium botulinum types A and B.
- Clostridium perfringens
Clostridium perfringens Clostridium per·frin·gens (pər-frĭn’jənz) or Clostridium wel·chi·i (wěl’chē-ī’) n. Gas bacillus.