Standard Lemma guide

diffusivity

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 tendency to diffuse

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a coefficient of diffusion; especially the amount of heat that passes through a given area in unit time

Definition source: English Wiktionary via Wiktextract

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English diffusive Proto-Indo-European *-teh2 Proto-Indo-European *-ts Proto-Indo-European *-teh2ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English diffusivity From diffusive + -ity.

Across languages

Translations

4 source translations are retained for this English entry.

  • Korean: 확산성 (hwaksanseong) — tendency to diffuse
  • Romanian: difuzivitate — tendency to diffuse
  • Serbo-Croatian: difuzivnost — tendency to diffuse
  • Serbo-Croatian: difuzivnost — coefficient of diffusion