catalysis
/kəˈtæləsɪs/noun
catalysis is spelled C-A-T-A-L-Y-S-I-S: 9 letters. It appears about once in every 2 million words in written English, the 42,145th most frequent word form (wordfreq, 2021 data). As a noun, catalysis means “The increase of the rate of a chemical reaction, induced by a catalyst” (English Wiktionary, September 2026). The plural of catalysis is catalyses.
How many letters and syllables are in catalysis?
| Letters | 9: C-A-T-A-L-Y-S-I-S |
|---|---|
| In writing | about once in every 2 million words; the 42,145th 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 catalysis?
Catalysis appears about once in every 2 million words in written English, the 42,145th 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).
How do you pronounce catalysis?
- /kəˈtæləsɪs/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vininn126-catalysis.wav, Wikimedia Commons (author and licence on each file's page).
Forms of catalysis
- catalyses plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does catalysis mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
The increase of the rate of a chemical reaction, induced by a catalyst.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Catalysis in Spanish, French, German and Portuguese
In the sense chemistry: the increase of the rate of a chemical reaction induced by a catalyst:
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 catalysis come from?
From Ancient Greek κατάλυσις (katálusis, “dissolution”), from καταλύω (katalúō, “I dissolve”), from κατά (katá, “down”) + λύω (lúō, “I loose”). By surface analysis, cata- + -lysis.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).