red fire

American  

noun

1. any of various combustible preparations, as one containing strontium nitrate, that burn with a vivid red light: used chiefly in pyrotechnic displays and in signaling.

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red fire British  

noun

1. any combustible material that burns with a bright red flame: used in flares and fireworks. The colour is usually produced by strontium salts

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Etymology

Origin of red fire

First recorded in 1810–20

Example Sentences

Since Monday, Hong Kong has been under a red fire danger warning, the highest level, as dry weather conditions made the risk of fire extremely high.

From The Wall Street Journal • Nov. 26, 2025

TVN24 showed footage of Braun with a red fire extinguisher putting out the fire and causing smoke or haze to fill the area.

From Washington Times • Dec. 12, 2023

They found red fire retardant dropped from aircraft caking their house, garden and front yard.

From New York Times • Aug. 20, 2022

Airplanes and helicopters dropped slurries of red fire retardant from the sky, as ground crews cleared timber and brush to starve the fire along crucial fronts.

From Seattle Times • May 4, 2022

Her eyes glowed briefly with red fire, and the entire palace began to shake like a tree in the genie’s tornado.

From "Half Upon a Time" by James Riley