catalyst
UK/'kætәlist/US
IELTSTOEFLGREB2
Definitions
n.
A substance that speeds up a chemical reaction without being consumed; a person or thing that triggers change or progress
催化剂；促进变化的人或事物
Root Breakdown
Root-derivedcatalroot
+
ystone who practices, believer in
=catalyst
Common Collocations
- 1.chemical catalyst化学催化剂
- 2.catalyst for change变化的催化剂
Example Sentences
- 1.
The new technology served as a catalyst for industrial development.