charcoal

noun 0.761

activated charcoal

noun 0.697

animal charcoal

noun 0.691

black carbon

noun 0.685

activated carbon

noun 0.681

charring

noun 0.662

charbon

noun 0.648

charcoal iron

noun 0.637

charcoal burner

noun 0.629

carbon black

noun 0.626

briquette

noun 0.607

terra preta

noun 0.593

charcoal drawing

noun 0.587

carbon

noun 0.572

coal black

noun 0.569

biocrude

noun 0.567

carbo

noun 0.562

carbon arc

noun 0.562

biofuel

noun 0.558

anthracite

noun 0.553

humic acid

noun 0.551

carbonado

noun 0.551

carbon sequestration

noun 0.550

carbon paper

noun 0.549

biomass

noun 0.544

carbon burning

noun 0.543

coal tar

noun 0.542

humate

noun 0.540

carbonaceous chondrite

noun 0.540

burnable

noun 0.540

graphite

noun 0.538

torrefaction

noun 0.538

acetylene black

noun 0.536

carbon sink

noun 0.536

pyrolysis

noun 0.533

biogas

noun 0.532

carbide

noun 0.527

gasifier

noun 0.526

carborundum

noun 0.523

woodchip

noun 0.521

fire brick

noun 0.521

compost

noun 0.516

bioenergy

noun 0.516

carbon credit

noun 0.515

kerogen

noun 0.515

biomethane

noun 0.513

carbon fiber

noun 0.513

barbecue

noun 0.513

chard

noun 0.512

radiocarbon

noun 0.511

carbon offset

noun 0.509

fire grate

noun 0.508

bone ash

noun 0.507

vermicompost

noun 0.507

potash

noun 0.505

firebrick

noun 0.504

black shale

noun 0.504

char

noun 0.504

iron carbide

noun 0.504

chara

noun 0.503

black phosphorus

noun 0.503

gasification

noun 0.503

firewood

noun 0.501

coal

noun 0.501

biodiesel

noun 0.501

biohydrogen

noun 0.501

chipboard

noun 0.500

lampblack

noun 0.500