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p8nda BETA
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烯

xī
noun

Meanings

  1. 1 alkene; olefin (chemistry)

Examples

HSK 5
聚乙烯是一种很常见的塑料。
Jùyǐxī shì yì zhǒng hěn chángjiàn de sùliào.
Polyethylene is a very common plastic.
HSK 6
乙烯是重要的工业原料。
Yǐxī shì zhòngyào de gōngyè yuánliào.
Ethylene is an important raw material in industry.

Tips

usage
烯 is a chemistry term for alkenes (hydrocarbons with a double bond). You'll see it in 乙烯 (ethylene), 聚乙烯 (polyethylene), and 丙烯 (propylene).

Components

radical
火 huǒ
fire
The fire radical 火 is used for many flammable chemical-substance characters; here it marks 烯 as a combustible hydrocarbon.
phonetic
希 xī
to hope; rare
希 supplies the sound xī exactly; it was chosen purely for sound when this modern chemistry character was coined.

Stroke Order

烯 xī