yǐ​xī

ethylene; ethene

乙烯 yǐ​xī
ethylene; ethene noun
a colorless flammable gas (C2H4) derived from petroleum; used as a chemical feedstock for plastics and synthetic fibers, and for welding and cutting metal
ethylene
a gaseous plant hormone that regulates growth and promotes fruit ripening or plant senescence

Frequency

Movie subtitles
0.420 per million appears in 0% of films
Written text
2.71 per million

Sources