1. A thick black tar intermediate between petroleum and asphalt
   - mineral tar

Derived forms: malthas

Type of: mineral

• Malacostraca
• malacostracan
• obligingly
• obligingness
• obligor
• oblique
• oblique angle
• oblique bandage
• oblique case
• oblique triangle
• oblique vein of the left atrium
• oblique-angled
• obliquely
• obliqueness
• obliquity
• obliterable
• obliterate
• obliterated
• obliteration
• obliterative
• obliterator
• oblivion
• oblivious
• obliviously
• obliviousness