|a stew of meat, vegetables, potatoes, etc.|
|a chattering or flighty, light-headed person.|
any of four isomeric compounds belonging to the series of olefinic hydrocarbons. The chemical formula is C4H8. The isomeric forms are 1-butene, cis-2-butene, trans-2-butene, and isobutylene. All four butenes are gases at room temperature and pressure.
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