13-Letter Words Containing: A,C,I,O,R,R

• 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

• an antineoplastic drug used to treat Hodgkin's disease

• a compiler or writer of a dictionary; a student of the lexical component of language

• of or relating to cryptanalysis

• the territorial jurisdiction of an archbishop