a close observer; someone who looks at something (such as an exhibition of some kind);
"the spectators applauded the performance"
"sky watchers discovered a new star"
an optical device for viewing photographic transparencies
- Make sure that each viewer has a clear site line to the display.
- A larger crystal ball will also give a larger area in which the viewer can observe whatever they need to see.
- The television viewer takes no initiative.
- Of course, being a selective viewer isn't bad.
- The viewer cannot complete this procedure.
- DARPA is developing several viewer options for the computers, including a set of eyeglasses with embedded display in the frame being built by the Micro Optical Corporation.