catalyst

nounB1

Định nghĩa theo từ loại

Danh từ

noun
Plural noun:
catalysts
  1. 1.

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

  2. 2.

    (figuratively)(figurative) Something that encourages progress or change.

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

    Rosa Parks was a true catalyst for change and she was only one person. Hearing about Rosa Parks and her protest showed me that there is hope for me and all the students in Ms. G's classes to truly be catalysts for change.

    Đồng nghĩa: stimulus, straw that stirs the drink

  3. 3.

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

  4. 4.

    (automotive) A catalytic converter.

  5. 5.

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

Từ liên quan

Đồng nghĩa

stimulusstraw that stirs the drinksolicitor

Trái nghĩa

inhibitordampener

Cùng gốc / liên quan

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Nguồn dữ liệu: freedict, dictionary, wiktionary · cập nhật 16/8/2026

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