14-Letter Words Containing: O,R,S,K,Y

• 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

• a large bone marrow cell; regarded as the source of blood platelets

• Excess keratin formation on the skin surface, as can be seen in a number of dermatologic conditions.

• in a bad mood

• A large herbivorous dinosaur, of genus Ankylosaurus, that lived in the Cretaceous period, noted for its heavy armor and club-like tail.