ˈbʊli ˈkɹækɪŋ ˈkɹækɪŋ ˈdændi

ˈfɹæk.tʃə ɡɹeɪt ˈnɪfti ˈəʊld ˈoʊld ˈpiːtʃi ˈsmæʃɪŋ snæp the act of cracking something excellent he did a bully job a neat sports car had a great time at the party you look simply smashing we had a grand old time a sudden sharp noise the crack of a whip he heard the cracking of the ice he can hear the snap of a twig the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)