Standard Lemma guide

hydropyrolysis

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.

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1

noun

Meaning 1

Hydrogen pyrolysis: the thermal decomposition which takes place when organic compounds are heated to high temperatures in the presence of hydrogen. In some case, water may be used as the hydrogen source.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: pyrolysis, lysis, decomposition, breakdown

History

Etymology

Etymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- Proto-Indo-European *péh2wr̥ Proto-Hellenic *pāwər Ancient Greek πῦρ (pûr) Latin pyr English pyro- Proto-Indo-European *lewh1-der. Ancient Greek λύω (lúō) Proto-Indo-European *-tis Ancient Greek -τις (-tis) Ancient Greek -σις (-sis) Ancient Greek λῠ́σῐς (lŭ́sĭs)der. English -lysis English pyrolysis English hydropyrolysis From hydro- + pyrolysis.