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LAPSE RATE: noun; the rate of temperature decreases as altitude

increases
Ex. The normal lapse rate is a decrease of 2°C with each increase of 1,000 feet.

MERCURIAL: adjective form of mercury (chemical symbol Hg)
METEOROLOGY: noun; the science that studies the atmosphere and weather

Ex. You have to study meteorology before you can be a weatherman.
MILLIBAR: noun; a unit used to measure atmospheric pressure shown on a
barometer. 34 millibars = 1 inch of mercury

Ex. Barometer pressures can be reported as inches of mercury or as millibars.
OBJECT: noun; a thing

Ex. What are those three objects on the desk?
PRESSURE: noun; the amount of weight on a surface, divided by the

area of the surface. Pressure is usually measured in pounds per square inch (PSI) or
kilograms per square centimeter (Kg per c?)
Ex. Check the pressure in the tire to be sure that it is not more than 32 PSI.

PROCESSES: noun; a series of changes that produce a particular result
Ex. The atmosphere must go through a number of processes before clear weather
becomes cloudy, rainy weather.
PROPERTIES : noun; the particular characteristics of a material

Ex. Some of the properties of water are that between 0° and 100°c, it is a liquid;
below 0°c it freezes to a solid; and above 100°C it becomes a gas.

SET: verb; to adjust an instrument to a standard

Ex. Do you have the correct time? I want to set my watch.
SETTING: noun; a particular adjustment
Ex. What setting do I use on my radio to receive the weather reports?

STRATOSPHERE: noun; the layer of atmosphere that starts at approximately
7. miles and extends to 22 miles in altitude

Ex. Many modern aircraft are capable of flying so high that they fly in the
stratosphere.
Note: strato + sphere.
STRUCTURE: noun; the order of parts or the construction of a thing

Ex. Each of the five layers that make up the structure of the atmosphere has a name.