a: camera obscura b: a device that consists of a lightproof chamber with an aperture fitted with a lens and a shutter through which the image of an object is projected onto a surface for recording (as on film) or for translation into electrical impulses (as for television broadcast). â off camera. 1.
/seÂ·quesÂ·ter/ (se-kwesÂ´ter) 1. to detach or separate abnormally a small portion from the whole. See sequestration and sequestrum. 2. to isolate a constituent of a chemical system by chelation or other means.
1. (Botany) (intr) (esp of a plant) to droop, wilt, or shrivel up. 2. (often foll by: away) to fade or waste: all hope withered away. 3. (intr) to decay, decline, or disintegrate. 4. (tr) to cause to wilt, fade, or lose vitality.