HSK10+
xī
alkene
Phonosemantic compound. 火 represents the meaning and 希 represents the sound.
火 Meaning component
huǒ
fire
希 Sound component
hope
烯
乙烯
ethylene
丙烯酸
acrylic acid C3H4O2
聚乙烯
polythene
聚丙烯
polypropylene
聚氯乙烯
polyvinyl chloride (PVC)
Make Me a Hanzi
Unicode
Dong Chinese
CC-CEDICT
MTSU Chinese text computing