Phrase guide

marginal cost

noun · 3 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

The increase in cost that accompanies a unit increase in output; the unit cost of that additional output; the partial derivative of the cost function with respect to output.

Definition source: English Wiktionary via Wiktextract

Topics: economics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Synonym of break-even point.

Definition source: English Wiktionary via Wiktextract

Usage: metonymically

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: break-even point

Antonyms: none provided

3

noun

Meaning 3

the increase or decrease in costs as a result of one more or one less unit of output

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: incremental cost, differential cost

Antonyms: none provided

Broader terms: monetary value, price, cost

History

Etymology

No etymology was provided for this word.

Across languages

Translations

9 source translations are retained for this English entry.

  • Czech: mezní náklady — additional unit production cost
  • Finnish: rajakustannus — additional unit production cost
  • Finnish: marginaalikustannus — additional unit production cost
  • French: coût marginal — additional unit production cost
  • Hungarian: határköltség — additional unit production cost
  • Polish: koszt krańcowy — additional unit production cost
  • Russian: преде́льные изде́ржки (predélʹnyje izdéržki) — additional unit production cost
  • Spanish: costo marginal — additional unit production cost
  • Tagalog: karagdagang halaga — additional unit production cost