Science / Weather / Upper Air: The portion of the atmosphere which is above the lower troposphere. It is generally applied to the levels above 850 millibars. Therefore, upper level lows and highs, troughs, winds, observations, and charts all apply to atmospheric phenomena above the surface.
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Air Noun Synonyms: atmosphere, ambience, aura, climate, feeling, sense, mood, quality
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Upper Noun Synonyms: higher (up), loftier, topmost, more elevated, uppermost
Upper Verb Synonyms: higher, upland, more elevated, (more) northerly, northern
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Business / Finance / Impaired Capital: A bond portfolio strategy whose goal is to eliminate the portfolio's risk, in case of a general change in the rate of interest, through the use of duration. MORE
Technology / Aviation / High-Wing Airplane: a monoplane with the single supporting surface mounted on top of the fuselage. MORE
Business / Finance / Impaired Credit: When a company's total capital is less than the par value of all its capital stock. MORE
Health / Dentistry / Impairment: An alteration of health status, assessed by objective medical criteria. This is a medical finding. MORE
Business / Real Estate / Indoor Air: Breathing air inside a habitable structure, often highly polluted because of lack of exchange with fresh oxygen from outdoors. Solvents, smoke, paints, furniture glues, carpet padding, and other synth MORE
Technology / Aviation / Indicated Airspeed (IAS): A direct instrument reading obtained from an air speed indicator uncorrected for altitude, temperature, atmospheric density, or instrument error. Compare CALIBRATED AIRSPEED and TRUE AIRSPEED. MORE