Definition of "phase out" [phase• out]

• To remove or relinquish the use of something little by little (verb)

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• "After one of my sessions on cosmetics ingredients, Hulda counted her antiperspirant/ deodorant roll-on, which was labeled as hypoallergenic, among one of the products she would phase out of her personal care routine."
• "It wasn't until the day before the fleet was to phase out of Underspace that he remembered the kindly Lepar, Itepu."
• "But its time to phase out Fannie Mae and Freddie Maclet them go the way of the S&L."