Word Pronunciation & Dictionary

pyrolysis

/paɪˈɹɑləsɪs/

Word Rarity Very rare

Frequency: Zipf frequency 2.32 in modern English

Syllables: py-rol-y-sis
IPA: /paɪˈɹɑləsɪs/

17

Scrabble Score

9

Letters

4

Syllables

7

Unique Chars

Meaning

noun

The decomposition of a material or compound by heat, in the absence of oxygen or other reagents.

Countable; Uncountable

Example Sentences

"Techniques that have successfully identified ionic intermediates in solution have been applied to gas-phase pyrolyses."
"Twenty years ago our real understanding of the mechanism of alkane pyrolyses was little better than rudimentary."
"Pyrolysis involves the thermal degradation of the rubber of the tyre to give an oil and gas leaving a residual solid carbon and the steel casing of the tyre."
"Traditional pyrolysis of wood relies on low temperatures and long processing time to increase the charcoal yield. In contrast, modern or fast pyrolysis uses moderate temperatures (400-500°C) and very short residence times (typically only a few seconds) to maximize the production of liquids (Diebold and Bridgewater, 1997)."

Etymology

Etymology tree 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 Proto-Hellenic *-tis Ancient Greek -τῐς (-tĭs) Ancient Greek -σις (-sis) Ancient Greek λῠ́σῐς (lŭ́sĭs)der. English -lysis English pyrolysis From pyro- + -lysis.

Regional Pronunciation

American English: /paɪˈɹɑləsɪs/
British English: /paɪˈɹɒlɪsɪs/

Usage

Inflected Forms

pyrolyses (plural)

Derived Forms

hydropyrolysis pyrolysize

Phrases

hydrous pyrolysis pyrolysis oil

Frequently Paired Words

pyrolyse pyrolyze pyrolytic pyrolytically pyrometallurgy autolysis carbonization carburization

Rhymes With

hydrolysis electrolysis glycolysis hemolysis proteolysis rhabdomyolysis autolysis osteolysis glycogenolysis heterolysis histolysis cytolysis

Questions

How do you pronounce pyrolysis?: The recorded pronunciation is /paɪˈɹɑləsɪs/.
What does pyrolysis mean?: The decomposition of a material or compound by heat, in the absence of oxygen or other reagents.
Where does pyrolysis come from?: Etymology tree 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 Proto-Hellenic *-tis Ancient Greek -τῐς (-tĭs) Ancient Greek -σις (-sis) Ancient Greek λῠ́σῐς (lŭ́sĭs)der. English -lysis English pyrolysis From pyro- + -lysis.

How to pronounce pyrolysis

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