14-Letter Words Containing: H,O,N,K,_

• 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

• photosynthetic or plant constituent of plankton; mainly unicellular algae

• To restrict or limit by counteracting.

• To recheck.

• a victim of ridicule or pranks

• an enzyme liberated from blood platelets that converts prothrombin into thrombin as blood starts to clot