释义 |
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 point1. See flash point. 2. The temperature at which a fuel’s vapors will sustain ignition.fire pointThe temperature at which a substance, such as lubricating oil, will give off a vapor that will burn continuously after ignition. |