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TOEFL IELTS BNC: 8852 COCA: 7915

catalyst

Word family
Related topics: Chemistry
cat·a·lyst /ˈkætl-ɪst/ ●○○ noun [countableC]  
1. HC technical a substance that makes a chemical reaction happen more quickly without being changed itself 催化剂,触媒
2 CAUSEsomething or someone that causes an important change or event to happen 导致重大变化的事物[];促进因素
catalyst for
 They hope his election will act as a catalyst for reform.
他们希望他的当选会成为改革的催化剂。
catalytic /ˌkætlˈɪtɪk◂/ adjectiveadj
Examples from the Corpus
Origin catalyst
(1900-2000) catalysis, on the model of analyst
cat·a·lyst noun
Chinese
Syllable
Corpus
TOEFL IELTS BNC: 8852 COCA: 7915
TOEFL IELTS BNC: 8852 COCA: 7915
catalyst noun
medium
TOEFL IELTS BNC: 8852 COCA: 7915
catalyst
Causes: cause, catalyst, source...
Types of chemical substance: acid, alkali, base...

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