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| phen·yl [ fénn'l, fn'l ] |
noun |
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| Definition: |
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benzene-based chemical group: a chemical group derived from benzene by removing a hydrogen atom, thus having a valence of one. C6H5
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| [Mid-19th century. < French phényle< Greek phainein "to show"; because it was used to name compounds formed from lighting gas] |
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