"Reversal" means the act of changing or turning something in the opposite direction, often resulting in a complete switch or transformation. Full definition
The article is quick to point out that commodities have risen significantly over the last 12 months and any sort of reversal in the dollar would spell trouble for commodities. (allfinancialmatters.com)
The potential for reversal of the demographic transition follows directly from conventional theory in population ecology and from the empirical relation we show here between energy consumption and fertility. (journals.plos.org)