Word Pronunciation & Dictionary

photolysis

Word Rarity Very rare

Frequency: Zipf frequency 1.74 in modern English

Syllables: pho-tol-y-sis
IPA

18

Scrabble Score

10

Letters

4

Syllables

8

Unique Chars

Meaning

noun

Any chemical reaction in which a compound is decomposed after absorbing a photon.

Uncountable

Etymology

From Ancient Greek φωτ- (phōt-), root of φῶς (phôs, “light”) + λύσις (lúsis, “decomposition”). By surface analysis, photo- + -lysis.

Origin

Source language: Ancient Greek

Usage

Uncountable

Derived Forms

biophotolysis microphotolysis

Frequently Paired Words

photolyase photolyte photolytic

Questions

What does photolysis mean?: Any chemical reaction in which a compound is decomposed after absorbing a photon.
Where does photolysis come from?: It is traced to Ancient Greek.

How to pronounce photolysis

Open the pronunciation page — Open the Speakur entry for “photolysis”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “photolysis”.
Repeat and practice — Say “photolysis” aloud, matching stress and vowels until it feels natural.