Impure carbon prepared from vegetable or animal substances; esp., coal made by charring wood in a kiln, retort, etc., from which air is excluded. It is used for fuel and in various mechanical, artistic, and chemical processes. [1913 Webster]
Finely prepared charcoal in small sticks, used as a drawing implement. [1913 Webster]

Animal charcoal, a fine charcoal prepared by calcining bones in a closed vessel; -- used as a filtering agent in sugar refining, and as an absorbent and disinfectant. -- Charcoal blacks, the black pigment, consisting of burnt ivory, bone, cock, peach stones, and other substances. -- Charcoal drawing (Fine Arts), a drawing made with charcoal. See Charcoal, 2. Until within a few years this material has been used almost exclusively for preliminary outline, etc., but at present many finished drawings are made with it. -- Charcoal point, a carbon pencil prepared for use in an electric light apparatus. -- Mineral charcoal, a term applied to silky fibrous layers of charcoal, interlaminated in beds of ordinary bituminous coal; -- known to miners as mother of coal.

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OXFORD DICTIONARY

charcoal, n.
1 a an amorphous form of carbon consisting of a porous black residue from partially burnt wood, bones, etc. b (usu. in pl.) a piece of this used for drawing.
2 a drawing in charcoal.
3 (in full charcoal grey) a dark grey colour.

Idiom

charcoal biscuit a biscuit containing wood-charcoal to aid digestion.

Etymology

ME COAL = charcoal: first element perh. chare turn (cf. CHAR(1), CHAR(2))

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THESAURUS

charcoal

air brush, alcohol, art paper, ash, ashes, benzine, black and white, blackening, blacking, blackwash, brand, briquette, brouillon, brush, burnable, burnt cork, butane, calx, camera lucida, camera obscura, canvas, carbon, carbon black, cartoon, chalk, charcoal drawing, chiaroscuro, cinder, clinker, coal, coke, combustible, coom, crayon, crow, delineation, design, diagram, doodle, dope, draft, drafting, drawing, drawing paper, drawing pencil, drier, dross, easel, ebauche, ebon, ebony, esquisse, ethane, ethanol, fireball, firing, fixative, flammable, flammable material, fuel, fuel additive, fuel dope, fume, gas, gas black, gas carbon, gasoline, graph, ground, heptane, hexane, inflammable, inflammable material, ink, isooctane, jet, jet fuel, kerosene, lampblack, lava, lay figure, line drawing, maulstick, medium, methane, methanol, natural gas, night, octane, oil, paint, paintbrush, palette, palette knife, paraffin, pastel, peat, pen-and-ink, pencil, pencil drawing, pentane, pigments, pitch, propane, propellant, raven, reek, rocket fuel, rough copy, rough draft, rough outline, scoria, scratchboard, siccative, silhouette, silver-print drawing, sinopia, sketch, sketchbook, sketching, sketchpad, slag, sloe, smoke, smudge, smut, soot, spatula, spray gun, stove black, study, stump, sullage, tar, tracing, turf, varnish, vignette

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ROGET THESAURUS

charcoal

Calefaction

N calefaction, increase of temperature, heating, calefaction, tepefaction, torrefaction, melting, fusion, liquefaction, burning, ambustion, combustion, incension, accension, concremation, cremation, scorification, cautery, cauterization, ustulation, calcination, cracking, refining, incineration, cineration, carbonization, cupellation, ignition, inflammation, adustion, flagration, deflagration, conflagration, empyrosis, incendiarism, arson, auto dafe, boiling, coction, ebullition, estuation, elixation, decoction, ebullioscope, geyser, distillation (vaporization), furnace, blanket, flannel, fur, wadding, clothing, still, refinery, fractionating column, fractionating tower, cracking tower, match, incendiary, petroleuse, cauterizer, caustic, lunar caustic, alkali, apozem, moxa, acid, aqua fortis, aqua regia, catheretic, nitric acid, nitrochloro-hydric acid, nitromuriatic acid, radioactivity, gamma rays, alpha particles, beta rays, X-rays, radiation, cosmic radiation, background radiation, radioactive isotopes, tritium, uranium, plutonium, radon, radium, sunstroke, coup de soleil, insolation, pottery, ceramics, crockery, porcelain, china, earthenware, stoneware, pot, mug, terra cotta, brick, clinker, cinder, ash, scoriae, embers, soot, slag, coke, carbon, charcoal, wood alcohol, turpentine, tea tree oil, gasoline, kerosene, naptha, fuel oil (fuel), wax, paraffin, residue, tar, inflammability, combustibility, diathermancy, transcalency, conduction, convection, radiation, radiant heat, heat conductivity, conductivity, thermal expansion, coefficient of expansion, heated, molten, sodden, r_echauff_e, heating, adust, inflammable, combustible, diathermal, diathermanous, burnt, volcanic, radioactive.

Fuel

N fuel, firing, combustible, coal, wallsend, anthracite, culm, coke, carbon, charcoal, bituminous coal, tar shale, turf, peat, firewood, bobbing, faggot, log, cinder, ingle, tinder, touchwood, sulphur, brimstone, incense, port-fire, fire-barrel, fireball, brand, amadou, bavin, blind coal, glance coal, German tinder, pyrotechnic sponge, punk, smudge, solid fueled rocket, wax, paraffin wax, paraffin oil, lamp oil, whale oil, oil, petroleum, gasoline, high octane gasoline, nitromethane, petrol, gas, juice, gasohol, alcohol, ethanol, methanol, fuel oil, kerosene, jet fuel, heating oil, number 2 oil, number 4 oil, naphtha, rocket fuel, high specific impulse fuel, liquid hydrogen, liquid oxygen, lox, natural gas, synthetic gas, synthesis gas, propane, butane, hydrogen, brand, torch, fuse, wick, spill, match, light, lucifer, congreve, vesuvian, vesta, fusee, locofoco, linstock, candle, oil, carbonaceous, combustible, inflammable, high octane, high specific impulse, heat of combustion.

Blackness

N blackness darkness, (want of light), swartliness, lividity, dark color, tone, color, chiaroscuro, nigrification, infuscation, jet, ink, ebony, coal pitch, soot, charcoal, sloe, smut, raven, crow, negro, blackamoor, man of color, nigger, darkie, Ethiop, black, buck, nigger, coon, sambo, lampblack, ivory black, blueblack, writing ink, printing ink, printer's ink, Indian ink, India ink, in mourning.

Painting

N painting, depicting, drawing, design, perspective, sciagraphy, skiagraphy, chiaroscuro, composition, treatment, historical painting, portrait painting, miniature painting, landscape painting, marine painting, still life, flower painting, scene painting, scenography, school, style, the grand style, high art, genre, portraiture, ornamental art, monochrome, polychrome, grisaille, pallet, palette, easel, brush, pencil, stump, black lead, charcoal, crayons, chalk, pastel, paint, watercolor, body color, oil color, oils, oil paint, varnish, priming, gouache, tempera, distemper, fresco, water glass, enamel, encaustic painting, mosaic, tapestry, photography, heliography, color photography, sun painting, graphics, computer graphics, picture, painting, piece, tableau, canvas, oil painting, fresco, cartoon, easel picture, cabinet picture, draught, draft, pencil drawing, water color drawing, etching, charcoal, pen-and-ink, sketch, outline, study, photograph, color photograph, black-and-white photograph, holograph, heliograph, daguerreotype, talbotype, calotype, heliotype, negative, positive, print, glossy print, matte print, enlargement, reduction, life-size print, instant photo, Polaroid photo, technicolor, Kodachrome, Ektachrome, Polaroid, portrait, whole length, full length, half length, kitcat, head, miniature, shade, silhouette, profile, landscape, seapiece, view, scene, prospect, panorama, diorama, still life, picture gallery, exhibit, studio, atelier, pinacotheca, painted, pictorial, graphic, picturesque, pencil, oil, in pencil, fecit, delineavit, mutum est pictura poema, painting, depicting, drawing, design, perspective, sciagraphy, skiagraphy, chiaroscuro, composition, treatment, historical painting, portrait painting, miniature painting, landscape painting, marine painting, still life, flower painting, scene painting, scenography, school, style, the grand style, high art, genre, portraiture, ornamental art, monochrome, polychrome, grisaille, pallet, palette, easel, brush, pencil, stump, black lead, charcoal, crayons, chalk, pastel, paint, watercolor, body color, oil color, oils, oil paint, varnish, priming, gouache, tempera, distemper, fresco, water glass, enamel, encaustic painting, mosaic, tapestry, photography, heliography, color photography, sun painting, graphics, computer graphics, picture, painting, piece, tableau, canvas, oil painting, fresco, cartoon, easel picture, cabinet picture, draught, draft, pencil drawing, water color drawing, etching, charcoal, pen-and-ink, sketch, outline, study, photograph, color photograph, black-and-white photograph, holograph, heliograph, daguerreotype, talbotype, calotype, heliotype, negative, positive, print, glossy print, matte print, enlargement, reduction, life-size print, instant photo, Polaroid photo, technicolor, Kodachrome, Ektachrome, Polaroid, portrait, whole length, full length, half length, kitcat, head, miniature, shade, silhouette, profile, landscape, seapiece, view, scene, prospect, panorama, diorama, still life, picture gallery, exhibit, studio, atelier, pinacotheca, painted, pictorial, graphic, picturesque, pencil, oil, in pencil, fecit, delineavit, mutum est pictura poema.

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