喜樂美語
  1. 1催化劑；促成因素

    In chemistry, a catalyst is something that makes a chemical reaction happen faster, without being used up itself. Outside of science, people use 'catalyst' for anything — an event, a person, an idea — that causes a big change to start happening quickly, like 'the accident was a catalyst for new safety laws.'

core核心畫面

組成From Greek 'kata-' (down) + 'lyein' (to loosen) — the idea of loosening something so a reaction can happen.

同家族的字

  • analysisshares the Greek root 'lyein,' to loosen or break apart
  • paralysisshares the same Greek root 'lyein'

原始詞典資料5 筆記錄

以下是外部詞典記錄的用法，摘錄並精簡格式，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。

catalystnoun/ˈkæt.ɪ.lɪst/

  • 1

    chemistrynatural-sciencesphysical-sciencesA 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.
  • 2

    Something that encourages progress or change.

    • (obsolete)
    • Economic development and integration are working as a catalyst for peace.
  • 3

    literaturemediapublishingAn inciting incident that sets the successive conflict into motion.

    • The current view by both Labour and Conservative politicians is that the state of the UK railway is unsustainable, and the pandemic acted as a catalyst in exposing its weaknesses.
  • 4

    automotivetransportvehiclesA catalytic converter.

  • 5

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

摘錄自 英文維基詞典 English Wiktionary，已精簡格式；依 CC BY-SA 4.0 授權使用，改動後的內容同樣以此授權提供。