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Definition of Alkene
1. Noun. Any unsaturated aliphatic hydrocarbon. 
Exact synonyms: Olefin, Olefine
Generic synonyms: Aliphatic Compound
Specialized synonyms: Ethene, Ethylene
Generic synonyms: Aliphatic Compound
Specialized synonyms: Ethene, Ethylene
Definition of Alkene
1. a type of chemical compound [n -S]
Medical Definition of Alkene
1. 




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