13-Letter Words Containing: R,R,A,N

• a drug used to reduce stress or tension without reducing mental clarity

• To establish a hierarchy.

• To arrange in a hierarchy.

• a drug used to reduce stress or tension without reducing mental clarity

• the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst

• remove carbon from (an engine)

• an antineoplastic drug used to treat Hodgkin's disease

• a polyhedron whose faces are trapeziums

• express as a formula