Science / Weather / Upper Level: 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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Level Verb Synonyms: aim, point, draw a bead, direct, train, focus
Level Noun Synonyms: horizontal, prone, supine
Level Adjective Synonyms: even, smooth, plane, uniform, plain, flat, flush, straight, true
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Upper Verb Synonyms: higher, upland, more elevated, (more) northerly, northern
Upper Noun Synonyms: higher (up), loftier, topmost, more elevated, uppermost
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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 MORE
Health / Disease / Minimal Risk Level (MRL): An ATSDR estimate of daily human exposure to a hazardous substance at or below which that substance is unlikely to pose a measurable risk of harmful (adverse), noncancerous effects. MRLs are calculate MORE
Business / Finance / Mezzanine Level: The period in a company's development just before it goes public. MORE
Science / Weather / Melting Level: The altitude at which ice crystals and snow flakes melt as they descend through the atmosphere. MORE
Science / Tides and Currents / National Water Level Observation Network (NWLON): The network of tide and water level stations operated by the National Ocean Service along the marine and Great Lakes coasts and islands of the United States. The NWLON is composed of the primary and s MORE
Science / Tides and Currents / Next Generation Water Level Measurement System (NGWLMS): A fully integrated system encompassing new technology sensors and recording equipment, multiple data transmission options, and an integrated data processing, analysis, and dissemination subsystem. MORE