- emagram
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/em"euh gram'/, n. Meteorol.a thermodynamic chart indicating temperature as the abscissa on a linear scale and pressure as the ordinate on a logarithmic scale.[EM + (DI)AGRAM]
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Universalium. 2010.
emagram
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Emagram — An emagram is one of four thermodynamic diagrams used to display profiles of temperature and moisture in the atmosphere. The emagram has axes of temperature (T) and pressure (p). In the emagram, the dry adiabats make an angle of about 45 degrees… … Wikipedia
emagram — em·a·gram … English syllables
emagram — ˈeməˌgram noun ( s) Etymology: em (I) + agram (as in diagram) : a thermodynamic chart on which temperature is shown on a linear scale as abscissa and pressure on a logarithmic scale as ordinate * * * /em euh gram /, n. Meteorol. a thermodynamic… … Useful english dictionary
Skew-T log-P diagram — A Skew T Log P diagram is one of four thermodynamic diagrams commonly used in weather analysis and forecasting. In 1947, N. Herlofson proposed a modification to the emagram which allows straight, horizontal isobars, and provides for a large angle … Wikipedia
Lapse rate — The lapse rate is defined as the rate of decrease with height for an atmospheric variable. The variable involved is temperature unless specified otherwise.[1][2] The terminology arises from the word lapse in the sense of a decrease or decline;… … Wikipedia
Tephigram — A tephigram is one of four thermodynamic diagrams commonly used in weather analysis and forecasting. The name evolved from the original name T phi gram to describe the axes of temperature (T) and entropy (phi) used to create the plot. Usually,… … Wikipedia
Stüve diagram — A Stüve diagram is one of four thermodynamic diagrams commonly used in weather analysis and forecasting. Usually, temperature and dew point data from radiosondes are plotted on these diagrams to allow calculations of convective stability or… … Wikipedia
Thermodynamic diagrams — are diagrams used by scientists and engineers to represent the thermodynamic states of a material (typically fluid) and the consequences of manipulating this material. For instance, a temperature entropy diagram (T s diagram) may be used to… … Wikipedia
Atmospheric thermodynamics — In the physical sciences, atmospheric thermodynamics is the study of heat and energy transformations in the earth’s atmospheric system. Following the fundamental laws of classical thermodynamics, atmospheric thermodynamics studies such phenomena… … Wikipedia
emagramma — e·ma·gràm·ma s.m. TS meteor. diagramma di forma simile alla lettera m che riporta su coordinate cartesiane il rapporto tra temperatura e pressione atmosferica {{line}} {{/line}} DATA: 1946. ETIMO: dall ingl. emagram, comp. di em nome della… … Dizionario italiano
