It was “vaporized electrolyte which looks like smoke but is not the result of combustion.”
Boeing claims to have eliminated the risk of combustion, but not ignition.
If combustion occurs within a battery, says Boeing, it would be snuffed out in a microsecond for lack of oxygen.
Starting a fire requires two things: Ignition and combustion.
Before that combustion of hazy ideas called comprehension can take place, air must be admitted between the emotions.
These differences are entirely due to differences in the rapidity of combustion.
Another cause of fire which may come under this head is the use of pipes for conveying away the products of combustion.
As the combustion proceeded, various offerings were cast into the flames.
The products of combustion are led outside through a flattened chimney, t, resting at o on the center of the reflector.
Air is indispensable, for, without oxygen, there can be no combustion.
early 15c., from Old French combustion (13c.), from Latin combustionem (nominative combustio) "a burning," noun of action from past participle stem of Latin comburere "to burn up, consume," from com-, intensive prefix (see com-), + *burere, faulty separation of amburere "to burn around," actually ambi-urere, from urere "to burn, singe," from PIE root *eus- "to burn" (see ember).
combustion com·bus·tion (kəm-bŭs'chən)
The process of burning.
A chemical change, especially oxidation, accompanied by the production of heat and light.