ca·thep·sin 
(kə-thĕpsĭn)
(kə-thĕpsĭn)n.
Any of various enzymes found in animal tissue that catalyze the hydrolysis of proteins into smaller proteins.
[German Kathepsin, from Greek kathepsein, to digest : kat-, kata-, cata- + hepsein, to boil.]
- close/shutthe door on
- closet
- closet drama
- closeted
- closetful
- close the book on
- close to heart
- close to home bone
- close to home/the bone
- close to/near the wind
- close to one's heart
- close to the bone
- close to the wind
- close to the wind
- close-up
- closing
- closing
- clostridial
- clostridium
- closure
- clot
- cloth
- clothbound
- clothe
- clothes