| a gadget; dingus; thingumbob. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
concentric (kənˈsɛntrɪk) ![]() | |
| —adj | |
| Compare eccentric having a common centre: concentric circles | |
| [C14: from Medieval Latin concentricus, from Latin com- same + centrum | |
| con'centrically | |
| —adv | |
| concentricity | |
| —n | |
concentric con·cen·tric (kən-sěn'trĭk)
adj.
Having a common center or center point, as of circles.