fire point


fire point

[′fīr ‚pȯint] (chemistry) The lowest temperature at which a volatile combustible substance vaporizes rapidly enough to form above its surface an air-vapor mixture which burns continuously when ignited by a small flame.

fire point

1. See flash point. 2. The temperature at which a fuel’s vapors will sustain ignition.

fire point

The temperature at which a substance, such as lubricating oil, will give off a vapor that will burn continuously after ignition.