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3. phase out

phase out

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phase out something

also phase something out

to gradually stop providing or using something The city decided to phase out half-day kindergarten for 4-year-olds in the public schools.

Opposite of: phase in (something)

See also: out, phase

phase out

v.

To take something or someone out of service gradually or in stages: The company phased out the old model of vacuum cleaner, and it's hard to find any in the stores now. We will gradually phase the old schedule out to create a more efficient one.

See also: out, phase