any of several flammable, volatile liquids produced by the distillation of coal tar,
, coal, and other carbonaceous
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
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Word origin of 'naphtha'L < Gr naphtha, naphtha, bitumen < Pers neft, pitch < ? IE base *nebh-, damp, water > Gr nephelē, cloud, fog