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

TK costs about $3.7 billion annually and became fully operational this year after its four-year phase-in.

From Los Angeles Times

There also is a gradual phase-in over several years.

From Los Angeles Times

That three-year phase-in is to apply only to those who need to retrofit their property, not to new construction.

From Los Angeles Times

In 2021, the local air district and Air Resources Board agreed to a gradual phase-in of the law, starting with large farm operations, with the goal of a near-complete burn ban by Jan. 1, 2025.

From Los Angeles Times

But when Seattle passed its $15-an-hour minimum wage in 2013, it gave small businesses a seven-year phase-in period to meet the goal and did so by factoring in total compensation.

From Seattle Times