quenching
n. 淬火, 猝灭, 猝熄 [化] 淬火; 淬灭
发音
词形变化
释义与例句
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1.
The extinction of any of several physical properties.
可数 不可数 物理 -
2.
The rapid cooling of a hot metal object, by placing it in a liquid, in order to harden it.
可数 不可数 工程 -
3.
A process in which a galaxy loses cold gas, thus strongly suppressing star formation.
可数 不可数 天文 -
4.
The dissipation of energy from light in excess of what can be used for photosynthesis.
可数 不可数 生物 植物学2022 August 27, Michael Le Page, Genetic tweaking increases soy yield by upgrading photosynthesis, New Scientist, Issue 3401, page 16, When a leaf is in full sunshine, it absorbs more light energy than its photosynthetic machinery can handle. This damages cells unless they turn on a mechanism known as quenching to dissipate the excess energy. When a leaf is shaded, however, quenching has to be turned off to avoid dissipating energy that could be used.
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1.
present participle and gerund of quench
词汇关系
同义词 2
上位词 3
词源
From Middle English quenchinge, equivalent to quench + -ing.
来源：wiktionary