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🇨🇳Chinese Source WordCode: ZH

化学发光

Pronunciation / Transliteration: huàxué fāguāng

🇬🇧 Direct English Meaning:
Chemiluminescence/ˌkɛm.iˌluː.mɪˈnɛs.əns/
nounCEFR C2 (Proficient)Top #45000 frequency
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🇨🇳 Example Sentence in Chinese:

"化学发光免疫分析在医学诊断中应用广泛。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    The emission of light during a chemical reaction, typically without the production of significant heat.

    "The glow of a lightstick is produced by chemiluminescence when two chemical substances react."
  2. 2

    A phenomenon used in analytical chemistry and biological assays to detect specific molecules through light-emitting reactions.

    "Immunoassays often rely on chemiluminescence to measure hormone levels in blood samples with high sensitivity."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Coined in the late 19th century combining the Modern Latin 'chymicus' (chemical, derived from Arabic 'al-kīmiyā') and English 'luminescence' (from Latin 'lumen', meaning light). The term reflects the scientific development of describing light emission resulting from a chemical reaction without the application of heat.

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