cracking

definition: very good
example:
speech part: adjective
synonyms: hot
definition: the act of cracking something
example:
speech part: noun
synonyms: fracture
definition: a sudden sharp noise
example:
speech part: noun
synonyms: snap
definition: the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)
example:
speech part: noun
synonyms:

cracking is explained and pronounced

How cracking is being used?