A fragment of incombustible matter left after a wood or coal or charcoal fire.

synonym: clinker.

Roget 384: increase of temperature; heating etc. v.; calefaction^†, tepefaction^†, torrefaction^†; melting, fusion; liquefaction etc. 335; burning etc. v.; ambustion^†, combustion; incension^†, accension^†; concremation^†, cremation; scorification^†; cautery, cauterization; ustulation^†, calcination; cracking, refining; incineration, cineration^†; carbonization; cupellation [Chem].    ignition, inflammation, adustion^†, flagration^†; deflagration, conflagration; empyrosis^†, incendiarism; arson; auto dafe [Fr.].    boiling etc. v.; coction^†, ebullition, estuation^†, elixation^†, decoction; ebullioscope^†; geyser; distillation (vaporization) 336.    furnace etc. 386; blanket, flannel, fur; wadding etc. (lining) 224; clothing etc. 225.    still; refinery; fractionating column, fractionating tower, cracking tower.    match etc. (fuel) 388; incendiary; petroleuse [Fr.]; [biological effects resembling the effects of heat] [substances causing a burning sensation and damage on skin or tissue] cauterizer^†; caustic, lunar caustic, alkali, apozem^†, moxa^†; acid, aqua fortis [Lat.], 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 [Fr.]; insolation.    [artifacts requiring heat in their manufacture] pottery, ceramics, crockery, porcelain, china; earthenware, stoneware; pot, mug, terra cotta [Sp.], brick, clinker.    [products of combustion] cinder, ash, scoriae, embers, soot; slag.    [products of heating organic materials] coke, carbon, charcoal; wood alcohol, turpentine, tea tree oil; gasoline, kerosene, naptha, fuel oil (fuel) 388; wax, paraffin; residue, tar.    inflammability, combustibility.    [Transmission of heat] diathermancy^†, transcalency^†, conduction; convection; radiation, radiant heat; heat conductivity, conductivity.    [effects of heat 2] thermal expansion; coefficient of expansion.    ... show more

Roget 388: fuel, firing, combustible.    [solid fuels] coal, wallsend^†, anthracite, culm^†, coke, carbon, charcoal, bituminous coal, tar shale; turf, peat, firewood, bobbing, faggot, log; cinder etc. (products of combustion) 384; ingle, tinder, touchwood; sulphur, brimstone; incense; port-fire; fire-barrel, fireball, brand; amadou^†, bavin^†; blind coal, glance coal; German tinder, pyrotechnic sponge, punk, smudge [U.S.]; solid fueled rocket.    [fuels for candles and lamps] wax, paraffin wax, paraffin oil; lamp oil, whale oil.    [liquid fuels] oil, petroleum, gasoline, high octane gasoline, nitromethane, petrol, gas, juice [Coll.], 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.    [gaseous fuels] natural gas, synthetic gas, synthesis gas, propane, butane, hydrogen.    brand, torch, fuse; wick; spill, match, light, lucifer, congreve^†, vesuvian, vesta^†, fusee, locofoco^†; linstock^†.    candle etc. (luminary) 423; oil etc. (grease) 356.    ... show more

Dutch: as, kolenslak, kolenslakken, sintel, slak