thermal inversion — thermal inversion, an atmospheric condition in which a stationary layer of warm air settles over a layer of cool air near the ground, often causing a heavy concentration of pollutants in the air and mirages of light in the night sky … Useful english dictionary
inversion — ► NOUN 1) the action of inverting or the state of being inverted. 2) (also temperature or thermal inversion) a reversal of the normal decrease of air temperature with altitude, or of water temperature with depth. DERIVATIVES inversive adjective … English terms dictionary
Inversion (meteorology) — In meteorology, an inversion is a deviation from the normal change of an atmospheric property with altitude. It almost always refers to a temperature inversion, i.e., an increase in temperature with height, or to the layer within which such an… … Wikipedia
inversion — noun 1》 the action of inverting or the state of being inverted. ↘reversal of the normal order of words, typically for rhetorical effect. 2》 Music an inverted interval, chord, or phrase. 3》 (also temperature or thermal inversion) a reversal of … English new terms dictionary
Inversion temperature — The inversion temperature in thermodynamics and cryogenics is the critical temperature below which a non ideal gas (all gases in reality) that is expanded at constant enthalpy will experience a temperature decrease, and above which will… … Wikipedia
Thermal — A thermal column (or thermal) is a column of rising air in the lower altitudes of the Earth s atmosphere. Thermals are created by the uneven heating of the Earth s surface from solar radiation, and an example of convection. The Sun warms the… … Wikipedia
inversion — 1. A turning inward, upside down, or in any direction contrary to the existing one. 2. Conversion of a disaccharide or polysaccharide by hydrolysis into a monosaccharide; specifically, the hydrolysis of sucrose to d glucose and d fructose; so… … Medical dictionary
Population inversion — In physics, specifically statistical mechanics, a population inversion occurs when a system (such as a group of atoms or molecules) exists in state with more members in an excited state than in lower energy states. The concept is of fundamental… … Wikipedia
temperature inversion — Meteorol. inversion (def. 12). [1940 45] * * * In meteorology, an increase of air temperature with altitude. Such an increase is a reversal of the normal temperature condition of the troposphere, where temperature usually decreases with altitude … Universalium
Capping inversion — A capping inversion is an elevated inversion layer that caps a convective boundary layer. The boundary layer is the part of the atmosphere which is closest to the ground. Normally, the sun heats the ground, which in turn heats the air just above… … Wikipedia
Quartz inversion — The alpha to beta quartz inversion is one of the most important factors to be considered in the production of vitreous sanitary ware. [Maguire, Andrew. Graduate Thesis (n.20). Alfred University, 1958] Between 575 and 600 degrees celsius, there s… … Wikipedia