WordNet
n. a flash of intense heat (as released by an atomic explosion)
Usage examples of "heat flash".
Its load of steel-and-glass splinters scoured the flesh and sinew from the cannie, forehead to chin, and emptied his eye sockets, the heat flash turning his hair into a halo of fire.
Pleased, she watched his gaze skim down, felt the tensing of muscles, saw the heat flash.
Bashir corrected automatically, then felt heat flash into his cheeks at Hayman's reproving scowl.
The force of the explosion had gone outward through the hull breach, and the heat flash in the compartment hadn't been enough to overcome the failsafes on those racked inboard.
The faint scent of peaches in her hair triggered a heat flash that seemed to spread through his veins straight to his belly and centered in his groin.
She watched the heat flash into his eyes, and thought how lovely it was to know him so well.