photolysis
noun
photolysis is spelled P-H-O-T-O-L-Y-S-I-S: 10 letters. It appears about once in every 18 million words in written English, the 128,787th most frequent word form (wordfreq, 2021 data). As a noun, photolysis means “Any chemical reaction in which a compound is decomposed after absorbing a photon” (English Wiktionary, September 2026).
How many letters and syllables are in photolysis?
| Letters | 10: P-H-O-T-O-L-Y-S-I-S |
|---|---|
| In writing | about once in every 18 million words; the 128,787th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is photolysis?
Photolysis appears about once in every 18 million words in written English, the 128,787th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
What does photolysis mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any chemical reaction in which a compound is decomposed after absorbing a photon.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Photolysis in Spanish, French, German and Portuguese
In the sense chemical reaction:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does photolysis come from?
From Ancient Greek φωτ- (phōt-), root of φῶς (phôs, “light”) + λύσις (lúsis, “decomposition”). By surface analysis, photo- + -lysis.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).