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closed
(redirected from Opened and closed)

   Also found in: Dictionary/thesaurus, Legal, Wikipedia 0.01 sec.
closed
With regard to a switch, closed is "on." Open is "off." See close.
closed
1. (of a hunting season, etc.) close
2. Maths
a. (of a curve or surface) completely enclosing an area or volume
b. (of a set) having members that can be produced by a specific operation on other members of the same set


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Some models are electric blinds and can be opened and closed with a remote control unit.
When your eyelids opened and closed, they acted like the shutter of a camera.
 
 
 
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