8 letters · 17 points in Scrabble
noun a sudden sharp noise
noun the act of cracking something
noun the process whereby heavy molecules of naphtha or petroleum are broken down into hydrocarbons of lower molecular weight (especially in the oil-refining process)
originEtymology tree Middle English crakynge English cracking Inherited from Middle English crakynge.
Etymology from Wiktionary, CC BY-SA 3.0