Furan definitions

fyo͝or'ăn', fyo͝o-răn'
A colorless, volatile, heterocyclic organic compound, C4 H4 O, obtained from wood oils and used primarily in organic synthesis.
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Any of various derivatives of this compound.
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A colorless, liquid heterocyclic compound, C4H4O, prepared from wood tar or furfural, and used in organic synthesis.
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Any of a group of colorless, volatile, organic compounds containing a ring of four carbon atoms and one oxygen atom. Furans are obtained from wood oils and used in the synthesis of many organic compounds.
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The simplest such compound, consisting of a furan ring with two double bonds and attached to four hydrogen atoms. Chemical formula: C4H4O.
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(organic chemistry) Any of a class of aromatic heterocyclic compounds containing a ring of four carbon atoms and an oxygen atom; especially the simplest one, C4H4O.
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Origin of furan

fur(fural) –an