The noun CORONA has 6 senses: 1. the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse. 2. (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower.3. an electrical discharge accompanied by ionization of surrounding atmosphere.he noun CORONA has 6 senses: 1. the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse. 2. (botany) the trumpet-shaped or cup-shaped outgrowth of the corolla of a daffodil or narcissus flower. 3. an electrical discharge accompanied by ionization of surrounding atmosphere.
Fire intensity. n. The amount of energy or heat release per unit time. FireWords uses a non-specific definition of fire intensity that encompasses several specific types of fire intensity measures.
Flame, blaze, conflagration refer to the light and heat given off by combustion. Flame is the common word, referring to a combustion of any size: the light of a match flame. Blaze usually denotes a quick, hot, bright, and comparatively large flame: The fire burst into a blaze. Conflagration refers to destructive flames which spread over a considerable area: A conflagration destroyed Chicago.