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the lowest temperature at which a volatile liquid, after its vapors have been ignited, will give off vapors at a rate sufficient to sustain combustion.
Based on the Random House Dictionary, © Random House, Inc. 2015.
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The temperature at which the flame becomes self-sustained so as to continue burning the liquid, is called
There are two properties of an oil that are often used as an indication of its ignitability: flash point and
The buckets were employed in bringing water to the
: temperature at which materials give off flammable gases that will sustain fire, typically higher than flash point.
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fire in the belly
fire on all cylinders
fire prevention and control
fire someone up