from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A black, viscous natural bitumen.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. thick mineral pitch
- n. mineral tar
from the GNU version of the Collaborative International Dictionary of English
- n. A variety of bitumen, viscid and tenacious, like pitch, unctuous to the touch, and exhaling a bituminous odor.
- n. Mortar.
from The Century Dictionary and Cyclopedia
- n. A bituminous substance midway in consistency between asphaltum and petroleum.
- n. Haeckel's term for the gelatinous ground-substance or mesoglcea and contained cells of various kinds, which forms the skeletogenous layer in sponges.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a thick black tar intermediate between petroleum and asphalt
The Greek language has contributed "maltha," to melt; the German "schmeltz," the old
I felt a sudden flush and the child in my womb moved, stirred by the earth, the blood-red clay, Southern dirt laden with maltha, gilsonite and iron, feeding the unspeakable hunger.
Thus they form a heterogeneous assemblage of liquid hydrocarbons, of which naphtha and maltha may be said to form the extremes, and which have little in common, except their undefinable name.
Among different bituminous substances, the names _naphtha_ and _petrolium_ have been given to those which are fluid, _maltha_, to that which has the consistence of pitch, and _asphaltum_ to that which is solid.
Among different bituminous substances, the names _naphtha_ and _petroleum_ have been given to those which are fluid; _maltha_, to that which has the consistence of pitch; and _asphaltum_, to that which is solid.