1. That which clarifies 
2. A vessel in which the process of clarification is conducted; as, the clarifier in sugar works

Derived forms: clarifiers

• routemarch
• router
• router plane
• routine
• routinely
• routinise
• routinize
• roux
• roué
• rove
• rove beetle
• rover
• roving
• row
• row house
• row of bricks
• rowan
• rowan tree
• rowanberry
• rowboat
• rowdily
• rowdiness
• rowdy
• rowdyism
• rowel