English Dictionary

catalyst

IPA（発音記号）

/ˈkæt.əl.ɪst/

名詞

(chemistry) A substance that increases the rate of a chemical reaction without being consumed in the process. / Something that encourages progress or change.

日本語の意味

化学反応の速度を高めるために使用され、反応中に消費されない物質、すなわち触媒（化学の分野）としての役割を果たすもの / 変化や進展、変革を促すきっかけとなるもの

The addition of a small amount of catalyst dramatically increased the reaction rate in the lab experiment.

実験室での反応に少量の触媒を加えたところ、反応速度が劇的に上がった。

意味（1）

(chemistry) A substance that increases the rate of a chemical reaction without being consumed in the process.

Enzymes, the catalysts of biological systems, are remarkable molecular devices that determine the pattern of chemical transformations.

意味（2）

Something that encourages progress or change.

Economic development and integration are working as a catalyst for peace.

意味（3）

(literature) An inciting incident that sets the successive conflict into motion.

意味（4）

(automotive) A catalytic converter.

意味（5）

(fantasy) An object that facilitates the casting of a spell (such as a magic wand).

catalysts （ plural ）