decrease lowering shrinking tax shelter relief deflation devaluation split down extenuation shelter discount devitalization moderation amortization reverse split subtraction tax credit step-down diminution minimization alleviation deduction rollback depreciation easement depletion mitigation weakening de-escalation price reduction palliation contraction change of magnitude shortening amortisation easing minimisation cutback cut declassification reverse stock split devitalisation

chemical reaction oxidoreduction redox reaction

chemical reaction reaction reducing

schematization change schematisation simplification