13-Letter Words Containing: _,A,K,N,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

• photosynthetic or plant constituent of plankton; mainly unicellular algae

• 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