bn:00010800n
Noun Concept
EN
bitumen
EN
Any of various naturally occurring impure mixtures of hydrocarbons WordNet 3.0
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EN
Any of various naturally occurring impure mixtures of hydrocarbons WordNet 3.0 & Open English WordNet
A generic term applied to natural inflammable substances of variable colour, hardness, and volatility, composed principally of a mixture of hydrocarbons substantially free from oxygenated bodies. OmegaWiki
WordNet 3.0 & Open English WordNet
EN
OmegaWiki
EN