Real Dictionary

cracking
You use cracking to describe something you think is very good or exciting.

cracking in American English
noun: the process of breaking down certain hydrocarbons into simpler ones of lower boiling points by means of excess heat, distillation under pressure, etc., in order to give a greater yield of low-boiling products than could be obtained by simple distillation

cracking in American English 1
excellent; fine
very

cracking in American English 2
the process of breaking down heavier hydrocarbons by heat and pressure or by catalysts into lighter hydrocarbons of lower molecular weight, as in producing gasoline from petroleum

cracking in British English
adjective: fast; vigorous (esp in the phrase a cracking pace)

cracking in the Oil and Gas Industry
noun: Cracking is the process of breaking into smaller units, especially the process of splitting a large heavy hydrocarbon molecule into smaller, lighter components.