decrement

the amount by which something is lessened each decrement in amount is limited to one third of the previous total Synonyms abatement, decline, decrease, dent, depletion, depression, diminishment, diminution, drop, drop-off, fall, falloff, loss, reduction, shrinkage, step-downRelated Words deduction, subtraction; downturn, slip, slump; curtailment, cut, cutback, retrenchment, shorteningNear Antonyms accretion, accrual, accumulation, addition, supplement; continuation, extension; upswing, uptrend, upturnAntonyms boost, enlargement, gain, increase, increment, raise, rise, step-up, uptick