marginal cost

n.

1.

(Economics) The increase in total cost of production as a result of producing one more unit of output; since certain ovrhead costs are fixed, the marginal cost is almost aways less than the total per-unit cost of production averaged over all units produced.

Noun

1.

marginal cost - the increase or decrease in costs as a result of one more or one less unit of output Synonyms: differential cost, incremental cost

cost, differential cost, incremental cost, monetary value, price