ri·bo·zyme 
(rībə-zīm′)
(rībə-zīm′)n.
An RNA molecule that acts as a catalyst, especially for the cleavage of RNA strands at specific sites.
[RIBO(NUCLEIC ACID) + (EN)ZYME.]
- blood-brain barrier
- blood brother
- blood brotherhood
- blood cell
- blood clot
- blood clotting
- blood count
- bloodcurdling
- bloodcurdlingly
- blood diamond
- blood doping
- blooded
- blood feud
- blood fluke
- blood gas
- blood glucose
- blood group
- blood grouping
- bloodguilt
- blood heat
- bloodhound
- bloodily
- bloodiness
- blood knot
- bloodless