oxidation
含义: A chemical reaction in which a substance combines with oxygen or loses electrons, commonly resulting in rust, tarnish, or combustion.
Oxidation is one of the most fundamental chemical processes, responsible for rusting iron, browning fruit, and burning fuel. In chemistry, the modern definition extends beyond oxygen — any reaction involving the loss of electrons is oxidation, paired with reduction in 'redox' reactions. 'Oxidation reaction,' 'oxidation state,' 'prevent oxidation,' and 'oxidation-reduction' are standard collocations. In food science, oxidation causes rancidity in fats and discolouration in fruit. In metallurgy, preventing oxidation is essential to preserving metal integrity.
例句
- The oxidation of iron in the presence of moisture produces the reddish-brown flakes we call rust. 铁在有水分的条件下发生氧化,生成我们称为铁锈的红棕色薄片。La oxidación del hierro en presencia de humedad produce las escamas de color pardo rojizo que llamamos herrumbre.水分の存在下で鉄が酸化すると、錆と呼ばれる赤褐色の薄片が生じる。수분이 존재하는 상태에서 철이 산화하면 우리가 녹이라고 부르는 적갈색 박편이 생성된다.
- Antioxidants in food work by preventing the oxidation of fats and oils that causes rancidity. 食品中的抗氧化剂通过防止油脂氧化来抑制酸败。Los antioxidantes alimentarios actúan previniendo la oxidación de grasas y aceites que provoca la ranciedad.食品中の抗酸化物質は、油脂の酸化による酸敗を防ぐことで効果を発揮する。식품 속 항산화제는 유지의 산화로 인한 산패를 방지하는 방식으로 작용한다.
- Understanding oxidation states is essential for balancing redox equations in A-level chemistry. 理解氧化态对于在高中化学中平衡氧化还原方程式至关重要。Comprender los estados de oxidación es esencial para equilibrar ecuaciones redox en química de bachillerato.酸化状態の理解は、高校化学で酸化還元方程式をバランスさせるために不可欠である。산화 상태의 이해는 고등학교 화학에서 산화환원 방정식의 균형을 맞추는 데 필수적이다.
发音
用法指南
语境: academic, professional, general
语气: neutral
起源与历史
From French oxidation, from oxider (to oxidise), from oxide, coined by Antoine Lavoisier from Greek oxys (sharp, acid) + the French chemical suffix -ide. Lavoisier named oxygen believing, incorrectly, that it was an essential component of all acids.
文化背景
Era: Modern
Generation: All ages
Social background: Universal
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