HYDROCRACKINGS
Scrabble letter values: H4Y4D2R1O1C3R1A1C3K5I1N1G2S1 = 30
Definition
HYDROCRACKINGS is the plural of HYDROCRACKING.
noun HYDROCRACKING: 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.