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chapter 20 vocabulary

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Across
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is when different elements of something join together and become one.
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a radar tracking system using the Doppler effect to determine the location and velocity of a storm, clouds, precipitation, etc.
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The transfer of a property of the atmosphere, such as heat, cold, or humidity, by the horizontal movement of an air mass.
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is a type of vaporization of a liquid that occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance.
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the heat required to convert a solid into a liquid or vapor, or a liquid into a vapor, without change of temperature.
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the atmospheric temperature (varying according to pressure and humidity) below which water droplets begin to condense and dew can form.
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a combining form representing nimbus
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or CCNs (also known as cloud seeds) are small particles typically 0.2 µm, or 1/100th the size of a cloud droplet on which water vapour condenses.
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the amount of water vapor present in air expressed as a percentage of the amount needed for saturation at the same temperature.
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a combining form representing cumulus, in compound words
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water that collects as droplets on a cold surface when humid air is in contact with it.
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a voice, instrument, or part below the highest range and above tenor, in particular.
Down
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the dropping of crystals into clouds to cause rain.
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describes a high cloud that is usually composed of wispy ice crystals.
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a quantity representing the amount of water vapor in the atmosphere or a gas.
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is the process of reducing heat through a change in air pressure caused by volume expansion.
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is the measure of water vapor (moisture) in the air, regardless of temperature.
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the action or process of precipitating a substance from a solution.
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cool (a liquid) below its freezing point without solidification or crystallization.
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a combining form representing stratus (stratocumulus) or specialized as a combining form of stratosphere (stratovision).
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is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.
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a visible mass of condensed water vapor floating in the atmosphere, typically high above the ground.
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a thick cloud of tiny water droplets suspended in the atmosphere at or near the earth's surface that obscures or restricts visibility (to a greater extent than mist; strictly, reducing visibility to below 1 km).