phase-in

American  

[feyz-in] / ˈfeɪzˌɪn /

noun

1. an act or instance of phasing in; gradual introduction or implementation.

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phase in British  

verb

1. (tr, adverb) to introduce in a gradual or cautious manner

   the legislation will be phased in over two years

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phase in Idioms  

1. Introduce one stage at a time. For example, New technology must be phased in or the office will be overwhelmed. The antonym is phase out, meaning “to bring or come to an end, one stage at a time,” as in The department is phasing out all the older computers. [Mid-1900s]

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Etymology

Origin of phase-in

Noun use of verb phrase phase in

Example Sentences

Montgomery County should show good leadership and immediately act to ban the sale and use of gas-powered leaf blowers with a short phase-in period.

From Washington Post

With the three-year phase-in, insurers will receive payments that are based on one-third of the new formula in the first year, and two-thirds on the old one.

From New York Times

Such a tweak would most likely require a phase-in period, since it would be a substantial change.

From New York Times

Even once students were allowed to come back to the classroom, she said, the phase-in was slow.

From Washington Post

European officials are proposing a phase-in period where they would try to figure out how the border tax would work in practice, giving time for other countries to prepare.

From New York Times