Theatre Terms | AACT

Theatre Terms

image of question markAs a service to the theatre community, AACT provides over 1000 definitions of theatrical terms.  Fully searchable, our glossary is helpful for technical staff, directors, actors, producers, or anyone wanting to better understand the inner workings of theatre.


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Term Definition Link
BLACKOUT or BLACK-OUT or BLACK OUT 1) To darken a stage suddenly, enhancing the effect of stage action and permitting a swift change of scenery. 2) Complete absence of stage lighting. Blue working lights backstage should remain on and are not usually under the control of the board, except during a Dead Blackout (DBO), when there is no onstage light. Exit signs and other emergency lighting must remain on at all times.
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