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| a chattering or flighty, light-headed person. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| golden mean | |
| —n | |
| 1. | the middle course between extremes |
| 2. | another term for golden section |
| golden section or golden mean | |
| —n | |
| Compare golden ratio the proportion of the two divisions of a straight line or the two dimensions of a plane figure such that the smaller is to the larger as the larger is to the sum of the two. If the sides of a rectangle are in this proportion and a square is constructed internally on the shorter side, the rectangle that remains will also have sides in the same proportion | |
| golden mean or golden mean | |
| —n | |
The desirable middle ground between any two extremes, according to the philosophy of Aristotle.