Speakur

Word Pronunciation & Dictionary

catalysis

/kəˈtæləsɪs/

Word Rarity Rare

Frequency: Zipf frequency 2.69 in modern English

Syllables
catal-y-sis
IPA
/kəˈtæləsɪs/
14
Scrabble Score
9
Letters
3
Syllables
7
Unique Chars

Meaning

noun

The increase of the rate of a chemical reaction, induced by a catalyst.

Countable; Uncountable

Etymology

From Ancient Greek κατάλυσις (katálusis, “dissolution”), from καταλύω (katalúō, “I dissolve”), from κατά (katá, “down”) + λύω (lúō, “I loose”). By surface analysis, cata- + -lysis.

Origin

Word Breakdown

  • Root: κατάλυσις

Usage

Inflected Forms

catalyses (plural)

Derived Forms

allelocatalysis aminocatalysis autocatalysis biocatalysis chemocatalysis cocatalysis electrocatalysis heterocatalysis nanocatalysis organocatalysis photocatalysis pyrocatalysis

Phrases

heterogeneous catalysis homogeneous catalysis phase transfer catalysis self-catalysis

Frequently Paired Words

catalyst catalytic catalyze catalyzer

Synonyms

contact action

Questions

How do you pronounce catalysis?
The recorded pronunciation is /kəˈtæləsɪs/.
What does catalysis mean?
The increase of the rate of a chemical reaction, induced by a catalyst.
Where does catalysis come from?
It is traced to Ancient Greek.

How to pronounce catalysis

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