Phrase guide

exponential decay

noun · 2 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 decrease where the rate of decrease is proportional to the amount remaining.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a decrease that follows an exponential function

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: exponential return

Antonyms: none provided

Broader terms: decay, decline

Narrower terms: relaxation, relaxation behavior

History

Etymology

No etymology was provided for this word.

Across languages

Translations

5 source translations are retained for this English entry.

  • French: décroissance exponentielle — decay proportional to value
  • Italian: decadimento esponenziale — decay proportional to value
  • Portuguese: decaimento exponencial — decay proportional to value
  • Spanish: decrecimiento exponencial — decay proportional to value
  • Spanish: decaimiento exponencial — decay proportional to value