vapor content
21dew point — noun the temperature at which the water vapor in the air becomes saturated and condensation begins • Hypernyms: ↑temperature, ↑saturation point * * * noun : the temperature at which a vapor begins to condense used especially of water vapor in the …
22Phlogopite — Phlogopite, Monte Somma, Italy General Category Mica, phyllosilicates …
23Lower heating value — The lower heating value (also known as net calorific value , net CV , or LHV ) of a fuel is defined as the amount of heat released by combusting a specified quantity (initially at 25 °C or another reference state) and returning the temperature of …
24Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …
25Dewpoint — The temperature to which air must be cooled, at constant pressure and water vapor content, in order for saturation or condensation to occur; the temperature at which the saturation pressure is the same as the existing vapor pressure; also… …
26Air mass — For other uses, see Air mass (astronomy) and Air mass (solar energy). Different air masses which affect North America, as well as othe …
27Numerical weather prediction — Weather models use systems of differential equations based on the laws of …
28Biochar — is a charcoal produced from biomass that can store carbon. It is of increasing interest because of concerns about global warming caused by emissions of CO2 and other greenhouse gases. In some cases, the term is used specifically to mean biomass… …
29hygrometer — /huy grom i teuhr/, n. any instrument for measuring the water vapor content of the atmosphere. [1660 70; HYGRO + METER] * * * ▪ meteorological instrument instrument used in meteorological science to measure the humidity, or amount of water… …
30dew point — the temperature to which air must be cooled, at a given pressure and water vapor content, for it to reach saturation; the temperature at which dew begins to form. Also called dew point temperature. Cf. absolute humidity, mixing ratio, relative… …
