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.
sequester-set apart from others; The dentist sequesters the tooth he is working on. keep apart, sequestrate, set apart, isolate. disunite, separate, part, divide-force, take, or pull apart; He separated the fighting children; Moses parted the Red Sea.