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.
In addition, the average length of a house fire is approximately 30 minutes, depending on the responsiveness of the local fire department. Of course, all of this is contingent on the size and build of the house. Multi-story homes will burn hotter and be more difficult to put out than a single story home.or this rating a specially designed room is heated to 1200 Â°F, which is the highest temperature in the average house fire. Once the room is heated, the safe is then placed inside the room and sensors inside the safe keep track of the internal temperature of the safe for the duration of the test, 1.5 hours.