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.
Sound intensity or acoustic intensity (I) is defined as the sound power (Pac) per unit area (A). The usual context is the noise measurement of sound intensity in the air at a â¦ listener's location as a sound energy quantity (measured in W/mÂ²). Our eardrums and microphone diaphragms are moved by sound pressure deviations (p), which is a sound field quantity (measured in pascals Pa).