bitumen

noun 0.860

asphalt

noun 0.690

asphaltum

noun 0.686

asphalt concrete

noun 0.624

blacktop

noun 0.579

coal black

noun 0.572

asphalt shingle

noun 0.566

coal tar

noun 0.563

gilsonite

noun 0.552

black carbon

noun 0.545

lampblack

noun 0.545

butyl rubber

noun 0.541

carbon black

noun 0.541

ebonite

noun 0.536

anthracite

noun 0.532

polybutadiene

noun 0.530

bornite

noun 0.530

oil sand

noun 0.529

polybutene

noun 0.528

butyl

noun 0.526

coal

noun 0.525

lignite

noun 0.523

butane

noun 0.523

tar sand

noun 0.522

benzol

noun 0.522

coal oil

noun 0.522

brown coal

noun 0.521

butylbenzene

noun 0.518

bistre

noun 0.513

betulinic acid

noun 0.512

bismuth

noun 0.510

bunker oil

noun 0.510

coal bed

noun 0.508

vitrinite

noun 0.508

burnt umber

noun 0.506

black gold

noun 0.504

burnable

noun 0.504

petrolatum

noun 0.503

culm

noun 0.503

brimstone

noun 0.502

bauxite

noun 0.501

white petrolatum

noun 0.500