Term: coal tar: a tar formed from distillation of bituminous coal; coal tar can be further distilled to give various aromatic compounds
Broader: physical entity: an entity that has physical existence | Unrelated: methanogen: archaebacteria found in anaerobic environments such as animal intestinal tracts or sediments or sewage and capable of producing methane; a source of natural gas
Broader: physical entity: an entity that has physical existence | Unrelated: core drill: a drill that removes a cylindrical core from the drill hole
Broader: physical entity: an entity that has physical existence | Unrelated: grapefruit peel: strips of grapefruit peel cooked in sugar syrup and coated with sugar
Broader: physical entity: an entity that has physical existence | Unrelated: drain: a pipe through which liquid is carried away
Broader: physical entity: an entity that has physical existence | Unrelated: pine grosbeak: large grosbeak of coniferous forests of Old and New Worlds
Broader: physical entity: an entity that has physical existence | Unrelated: herpes zoster: eruptions along a nerve path often accompanied by severe neuralgia
Broader: physical entity: an entity that has physical existence | Unrelated: dwarf hulsea: similar to but smaller than alpine hulsea
Broader: physical entity: an entity that has physical existence | Unrelated: four-part harmony: harmony in which each chord has four notes that create four melodic lines
Broader: physical entity: an entity that has physical existence | Unrelated: pederast: a man who has sex (usually sodomy) with a boy as the passive partner
Broader: physical entity: an entity that has physical existence | Unrelated: cassiri: a drink resembling beer; made from fermented cassava juice