phase-in

[ feyz-in ]

noun

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

phase in

verb

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

   the legislation will be phased in over two years

Word History and Origins

Origin of phase-in¹

Noun use of verb phrase phase in

Idioms and Phrases

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]

Example Sentences

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

In contrast, the County Council proposes just a two-year phase-in for most businesses and does not factor in tips and benefits.

From Seattle Times

The changes to the calculation, known as “petroleum equivalency factor,” will significantly cut the miles-per-gallon rating for electric vehicles, even after the Biden administration scaled back its initial proposal and added a phase-in period.

From Seattle Times

After the phase-in ends in 2030, MPG ratings for EVs will be about 65% lower.

From Seattle Times

Senate Appropriations Committee Chairman Blake Tillery, a Vidalia Republican, argued it was fair to speed up the phase-in of higher premiums because of other money the state is pumping into education, including boosting by $205 million the state’s share of buying and operating school buses and $104 million for school security.

From Seattle Times