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.
an act or instance of immersing. 2. state of being immersed. 3. state of being deeply engaged or involved; absorption. 4. baptism in which the whole body of the person is submerged in the water. 5. Also called ingress. Astronomy. the entrance of a heavenly body into an eclipse by another body, an occultation, or a transit. Compare emersion (def 1).