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| a chattering or flighty, light-headed person. |
| a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison. |
| symmetrical (sɪˈmɛtrɪkəl) | |
| —adj | |
| 1. | Compare asymmetric possessing or displaying symmetry |
| 2. | maths |
| a. (of two points) capable of being joined by a line that is bisected by a given point or bisected perpendicularly by a given line or plane: the points | |
| b. (of a configuration) having pairs of points that are symmetrical about a given point, line, or plane: a circle is symmetrical about a diameter | |
| c. (of an equation or function of two or more variables) remaining unchanged in form after an interchange of two variables: x + y = z is a symmetrical equation | |
| 3. | chem (of a compound) having a molecular structure in which substituents are symmetrical about the molecule |
| 4. | botany another word for isomerous |
| 5. | Also: symmetric (of a disease, infection, etc) affecting both sides of the body or corresponding parts, such as both legs |
| sym'metrically | |
| —adv | |
| sym'metricalness | |
| —n | |
symmetric (sĭ-mět'rĭk) or symmetrical (sĭ-mět'rĭk) Pronunciation Key
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