Phrase guide

heat of fusion

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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No pronunciation record was provided for this word.

1

noun

Meaning 1

The amount of heat absorbed by unit mass of a material, at its melting point, that causes a phase transition from solid to liquid

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

heat absorbed by a unit mass of a solid at its melting point in order to convert the solid into a liquid at the same temperature

Definition source: Princeton WordNet 3.0

Examples

  • the heat of fusion is equal to the heat of solidification

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: latent heat, heat of transformation

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Finnish: sulamislämpö — enthalpy resulting from providing heat to a substance to change it from solid to liquid
  • German: Schmelzwärme — enthalpy resulting from providing heat to a substance to change it from solid to liquid
  • Hungarian: olvadáshő — enthalpy resulting from providing heat to a substance to change it from solid to liquid
  • Mongolian: хайлах энтальп (xajlax entalʹp) — enthalpy resulting from providing heat to a substance to change it from solid to liquid
  • Romanian: entalpie de fuziune — enthalpy resulting from providing heat to a substance to change it from solid to liquid
  • Tagalog: init ng pamumuok — enthalpy resulting from providing heat to a substance to change it from solid to liquid