The transfer of heat through a fluid (liquid or gas) caused by molecular motion.

Roget 320: levity; lightness etc. adj.; imponderability, buoyancy, volatility.    feather, dust, mote, down, thistle, down, flue, cobweb, gossamer, straw, cork, bubble, balloon; float, buoy; ether, air.    leaven, ferment, barm^†, yeast.    lighter-than-air balloon, helium balloon, hydrogen balloon, hot air balloon.    convection, thermal draft, thermal.    ... show more

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 270: transfer, transference; translocation, elocation^†; displacement; metastasis, metathesis; removal; remotion^†, amotion^†; relegation; deportation, asportation^†; extradition, conveyance, draft, carrying, carriage; convection, conduction, contagion; transfer etc. (of property) 783.    transit, transition; passage, ferry, gestation; portage, porterage^†, carting, cartage; shoveling etc. v.; vection^†, vecture^†, vectitation^†; shipment, freight, wafture^†; transmission, transport, transportation, importation, exportation, transumption^†, transplantation, translation; shifting, dodging; dispersion etc. 73; transposition etc. (interchange) 148; traction etc. 285.    [Thing transferred] drift.    ... show more

Dutch: convectie
Polish: konwekcja

meteorology The vertical movement of heat or other properties by massive motion within the atmosphere.

Dutch: convectie