14-Letter Words Containing: S,I,G,N,O,R,A

• 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

• the act of rendering something coarse and unrefined

• the act of making something attractive to the general public

• showing disapproval

• the act of making a piece of equipment rugged (strengthening to resist wear or abuse)

• the act of glamorizing; making something or someone more beautiful (often in a superficial way)