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fire point

noun Chemistry.
  1. 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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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for fire point

Historical Examples

  • A stocky young man behind the fire-point emerged from the darkness and climbed briskly into the tonneau.

    Diane of the Green Van

    Leona Dalrymple