1. Suppressing or eliminating engine knock in combustion engines
   - antiknock

See also: leaded

• clinic
• clinical
• clinical anatomy
• clinical depression
• clinical neurology
• clinical psychologist
• clinical psychology
• clinical test
• clinical thermometer
• clinical trial
• clinically
• clinician
• clinid
• clinid fish
• Clinidae
• clink
• clinker
• clinker block
• clinker brick
• clinker-built
• clinking
• clinocephalism
• clinocephaly
• clinodactyly
• clinometer