fire point

noun Chemistry.
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.
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Example sentences
The temperature at which the flame becomes self-sustained so as to continue burning the liquid, is called fire point.
There are two properties of an oil that are often used as an indication of its ignitability: flash point and fire point.
The buckets were employed in bringing water to the fire point.
Fire point: temperature at which materials give off flammable gases that will sustain fire, typically higher than flash point.
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