13-Letter Words Containing: A,D,K,O

• 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 board having 64 squares of two alternating colors

• someone who travels for pleasure

• declare to be true or admit the existence or reality or truth of

• report the receipt of

• express recognition of the presence or existence of, or acquaintance with

• express obligation, thanks, or gratitude for

• accept as legally binding and valid

• accept (someone) to be what is claimed or accept his power and authority

• highly educated; having extensive information or understanding

• alert and fully informed

• thoroughly acquainted through study or experience

• continually shifting or rapidly changing

• the execution of low priority programs while higher priority programs are not using the processing system