Phrase guide

Dirac delta function

noun · 1 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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1

noun

Meaning 1

A function of one real argument, whose value is zero when the argument is nonzero, and whose integral is one over any interval that includes zero.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Named after English physicist Paul Dirac.

Across languages

Translations

8 source translations are retained for this English entry.

  • Asturian: función delta de Dirac — function
  • Catalan: funció delta de Dirac — function
  • French: fonction delta de Dirac — function
  • Galician: función delta de Dirac — function
  • Italian: funzione delta di Dirac — function
  • Polish: delta Diraca — function
  • Portuguese: função delta de Dirac — function
  • Spanish: función delta de Dirac — function