blue fire
Hottest visible combustion
Blue fire is fire that burns blue rather than the typical yellow-orange, usually indicating higher temperature or different fuel chemistry.
Natural gas and alcohol burn blue.
The term also describes the rare phenomenon of burning sulfuric gases at volcanic sites: Tourists trek to see the blue fire at Kawah Ijen.
Figuratively, blue fire can suggest intensity or supernatural quality.
- flameBurning gas made visible
- heatTransferred thermal energy
- glowSteady, soft light
- burnDamage by heat
- combustionExothermic reaction with oxygen
plasma · blaze · bioluminescence · will o' the wisp · gas burner · welding torch · ignition · methane · Bunsen burner · ethereal · hydrocarbons · celestial · ionization · mysticism · gas stove · pilot light · flicker · purity
blue fireyellow flame
Warm-colored burning light
orange flame · candlelight · incomplete combustion · green fire
blue firewarm glow
Gentle heat and light
hearth fire · firelight · bonfire · torchlight · hellfire
blue, fire, blues, blued, bluing, blueing, bluish, bluer, bluest