كيف تنطق "catalyst"
word
ˈkætəɫəst/, /ˈkætəɫɪst
KAT-uh-list
kˈætɐlˌɪst
KAT-uh-list
التعريف
A catalyst is something or someone that causes a change or speeds up an event, especially by making a process happen faster in chemistry or by starting change in situations.
نسخ IPA
الإنجليزية الأمريكية
ˈkætəɫəst/, /ˈkætəɫɪst
الإنجليزية البريطانية
kˈætɐlˌɪst
نطق مبسط
أمريكي
KAT-uh-list
بريطاني
KAT-uh-list
استمع في السياق
A catalyst speeds up chemical reactions without being used up.
She was the catalyst for the new project at work.
Water can act as a catalyst in some processes.
His speech was the catalyst that got everyone talking about change.