air-mass fog

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• air mass — a body of air covering a relatively wide area, exhibiting approximately uniform properties through any horizontal section. [1890 95] * * * In meteorology, a large body of air having nearly uniform conditions of temperature and humidity at any… …   Universalium

• Air mass — For other uses, see Air mass (astronomy) and Air mass (solar energy). Different air masses which affect North America, as well as othe …   Wikipedia

• Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence …   Wikipedia

• Fog — For other uses, see Fog (disambiguation). Part of the Nature series on Weather   Calendar seasons Spring  …   Wikipedia

• Air cycle machine — An air cycle machine (ACM) is the refrigeration unit of the environmental control system used in pressurized turbine powered aircraft. Normally an aircraft has two to three of these machines arranged in a system called a pack . The cooling… …   Wikipedia

• fog — fog1 fogless, adj. /fog, fawg/, n., v., fogged, fogging. n. 1. a cloudlike mass or layer of minute water droplets or ice crystals near the surface of the earth, appreciably reducing visibility. Cf. ice fog, mist, smog. 2. any darkened state of… …   Universalium

• fog — I. /fɒg / (say fog) noun 1. a cloudlike mass or layer of minute globules of water in the air near the earth s surface; thick mist. 2. any darkened state of the atmosphere, or the diffused substance which causes it. 3. a state of mental confusion… …  

• FOG — fast oxidative glycolytic [fiber] * * * fog fäg, fȯg vt, fogged; fog·ging to blur (a visual field) with lenses that prevent a sharp focus in order to relax accommodation before testing vision * * * (fog) 1. a colloid system in which the… …   Medical dictionary

• fog — fÉ‘g ,fÉ”g /fÉ’g n. haze, mist, mass of small droplets of water in the air which reduce visibility; confusion; blurring; hazy appearance, cloudiness (on photographic film); aftergrass, grass that grows after the initial crop has been mown… …   English contemporary dictionary

• Fog — Cloud Cloud (kloud), n. [Prob. fr. AS. cl[=u]d a rock or hillock, the application arising from the frequent resemblance of clouds to rocks or hillocks in the sky or air.] 1. A collection of visible vapor, or watery particles, suspended in the… …   The Collaborative International Dictionary of English

• frontal fog — frontal fog, Meterology. fog that forms at a front as a result of moisture evaporating from rain which falls from the warmer air mass and saturates the colder air mass below …   Useful english dictionary