[bahy-too-muh-nuh s, -tyoo-, bi-]
- resembling or containing bitumen: bituminous shale.
Origin of bituminous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for bituminous
The surface may or may not be coated with some bituminous material.American Rural Highways
T. R. Agg
Like all bituminous earths, it needs the strongest drying oil.Field's Chromatography
This hypothesis is based on experimental work with bituminous shales.
Bituminous may be distinguished from subbituminous by the manner of weathering.
There are gradations from bituminous coal into anthracite coal.
Word Origin and History for bituminous
1610s, from French bitumineux, from Latin bituminosus, from bitumen (see bitumen).
The Plain, wherein a black bituminous gurge Boiles out from under ground, the mouth of Hell. ["Paradise Lost," XII.41]
Online Etymology Dictionary, © 2010 Douglas Harper