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| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a chattering or flighty, light-headed person. |
| tectonics (tɛkˈtɒnɪks) | |
| —n | |
| 1. | the art and science of construction or building |
| 2. | See also plate tectonics the study of the processes by which the earth's crust has attained its present structure |
| tectonics (těk-tŏn'ĭks) Pronunciation Key
The branch of geology that deals with the broad structural and deformational features of the outer part of the Earth, their origins, and the relationships between them. See more at plate tectonics. |