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Lesson 16
Meter
| Term | Definition |
|---|---|
| Barometer | An instrument that is used to measure air pressure and predict changes in the weather. |
| Diameter | The distance through the center of a circle or sphere from one side to the other. |
| Optometry | The profession of examining people's eyes to find out if they need eyeglasses or medical treatment. |
| Perimeter | The outside edge of an area or surface; the total length of the lines that form a shape. |
| Symmetry | The quality of something that has two sides or halves that are the same or very close in size, shape, and position. |
| Precaution | Something that is done to prevent possible harm or trouble from happening in the future. |
| Forecast | A statement about what will happen in the future. |
| Antebellum | Occurring in the southern United States before the Civil War. |
| Antecedent | Something that came before something else and may have influenced or caused it. |
| Postpone | To decide that something which had been planned for a particular time will be done at a later time instead. |