| state of the art | |
| —n | |
| 1. | the level of knowledge and development achieved in a technique, science, etc, esp at present |
| —adj | |
| 2. | the most recent and therefore considered the best; up-to-the-minute: a state-of-the-art amplifier |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |