Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “marginal cost”

marginal cost

the cost of producing one more item , etc. compared to the cost of producing all items so far : The marginal cost to a bank of a transaction over the internet is a mere cent .
(Definition of marginal cost noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of marginal cost

Word of the Day


relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More