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.
â¢ SEQUESTER (verb) The verb SEQUESTER has 5 senses: 1. requisition forcibly, as of enemy property. 2. take temporary possession of as a security, by legal authority. 3. undergo sequestration by forming a stable compound with an ion. 4. keep away from others. 5. set apart from others. Familiarity information: SEQUESTER used as a verb is common.