1 : any single geometric form appearing in a layout as
- a part of a master drawing or layout (image, drafting)
- projected on a screen or viewed, usually at some magnification or reduction (image, optical)
- etched in the silicon dioxide layer on an oxidized silicon wafer (image, oxide)
- in a photomask or in the emulsion of a photographic film or plate (image, photographic)
- an exposed and developed coating on a substrate (image, photoresist)