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Weather Vocabulary
| Term | Definition |
|---|---|
| Anemometer | A weather instrument that measures the wind speed. |
| Barometer | An instrument that measures air pressure. |
| Condensation | The change of water vapor to liquid water, as when fog or dew forms. |
| Evaporation | The process of changing a liquid (like water) to a vapor. It’s the opposite of condensation. |
| Humidity | The amount of water vapor in the air. |
| Meteorologist | A scientist who studies and predicts the weather. Meteorologists use sophisticated equipment, like Doppler radar and supercomputers, but they also rely on old-fashioned sky watching. |
| Meteorology | The study of the atmosphere and all its phenomena, including weather and how to forecast it. |
| Precipitation | General name for water in any form falling from clouds. This includes rain, drizzle, hail, snow and sleet. Although, dew, frost and fog are not considered to be precipitation. |
| Rain Gauge | An instrument used to measure the amount of rain that has fallen. Measurement is done in hundredths of inches (0.01"). |
| Thermometer | The instrument that measures temperature. |
| Temperature | The measurement of how hot or cold something is. |
| Transpiration | The process by which water in plants is transferred as water vapor to the atmosphere. |
| Barometric Pressure | It’s the same as air pressure. The pressure exerted by the atmosphere at a given point. |
| Dew | Water that forms on objects close to the ground when its temperature falls below the dew point of the surface air. |
| Cumulus Clouds | Fluffy, mid-level clouds that develop in towering shapes and signal fair weather. Cumulus clouds are a principle cloud type. |
| Cirrus Clouds | Thin, wispy clouds that form high in the atmosphere as their water vapor freezes into ice crystals. Cirrus clouds are a principle cloud type. |
| Frost | White ice crystals that form on a surface, like the ground or leaves of a plant. Frost is created when the air temperature drops below freezing and the water vapor in the air freezes into ice crystals. |
| Climate | It describes the average weather conditions in a certain place or during a certain season. |
| weather | It describes the condition of the air at a particular time and place. |