The thermal or catalytic @D01547@ of a compound such as a hydrocarbon into chemical species of smaller @M04000@.
Source: PAC, 1990, 62, 2167. (Glossary of atmospheric chemistry terms (Recommendations 1990)) on page 2183 [Terms] [Paper]
Citation: 'cracking' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.C01387 RISBibTexEndNote