Synonyms: viewer
Definition: an optical device for viewing photographic transparencies
Similar words: optical device
Definition: a device for producing or controlling light
Synonyms: spectator, looker, witness, watcher, viewer
Definition: a close observer; someone who looks at something (such as an exhibition of some kind)
Usage: the spectators applauded the performance; television viewers; sky watchers discovered a new star
Similar words: perceiver, percipient, observer, beholder
Definition: a person who becomes aware (of things or events) through the senses