catalyst

N คน หรือ สิ่ง ที่ ทำให้เกิด การเปลี่ยนแปลง  spur impetus instigator kon-rue-sing-ti-tham-hai-koed-kan-pian-plang

catalyst

N ตัวเร่ง ปฎิกิริยา  accelerator chemical reactor tua-reng-pa-ti-ki-ri-ya

catalyst

cat a lyst |ˈkatl-ist ˈkædləst | ▶noun a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. • a person or thing that precipitates an event: the governor's speech acted as a catalyst for debate. ORIGIN early 20th cent.: from catalysis, on the pattern of analyst .

catalyst

cata |lyst |ˈkat (ə )lɪst | ▶noun a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change. • a person or thing that precipitates an event: the prime minister's speech acted as a catalyst for debate. ORIGIN early 20th cent.: from catalysis, on the pattern of analyst .

catalyst

catalyst noun the governor's speech was a catalyst for debate: stimulus, stimulation, spark, sparkplug, spur, incitement, impetus.

catalyst

cat a lyst /kǽt (ə )lɪst /名詞 C 1 変化を促すもの [人 ].2 〘化 〙触媒 .