Allylene definitions

Allylene

• (n.) A gaseous hydrocarbon, C3H4, homologous with acetylene; propine.
Found on http://thinkexist.com/dictionary/meaning/allylene/

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Allylene

Al'ly·lene noun (Chemistry) A gaseous hydrocarbon, C ₃ H ₄ , homologous with acetylene; propine.
Found on http://www.encyclo.co.uk/webster/A/60

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