Definition of "before-and-after" []

• Describing a pair of images showing the difference made by a specified treatment (adjective)

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• "From a before-and-after photo display, we gathered that many of its treasures had been given over to budget-class plate glass and steel facades and additions during the second half of the twentieth century."
• "Clicking on an update brings you to a side-by-side before-and-after comparison, highlighting what has been removed from the policy and what has been added."
• "Or, in the case of those who sent Beachbody their before-and-after-P90X photos, the formerly obese."