Standard Lemma guide

torrefaction

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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  • US: /ˌtɔ.ɹɪˈfæk.ʃən/
  • rhymes with -ækʃən

1

noun

Meaning 1

Drying or roasting; especially an anaerobic heat treatment to make wood waterproof.

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

The act or process of subjecting something to heat or to highly acidic substances.

Definition source: English Wiktionary via Wiktextract

Usage: broadly, countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

An angry outburst; vituperation.

Definition source: English Wiktionary via Wiktextract

Usage: countable, figuratively, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Latin torrefaciō.

Across languages

Translations

3 source translations are retained for this English entry.

  • Finnish: paahtaminen — drying or roasting
  • Finnish: uunikuivaus — drying or roasting
  • Finnish: hiiltyminen — angry outburst