Meaning of the word "phase in" in English

What does "phase in" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

phase in

US /feɪz ɪn/
UK /feɪz ɪn/
"phase in" picture

Phrasal Verb

1.

to gradually introduce something new

Example:
The company plans to phase in the new software over the next few months.
New regulations will be phased in over a period of five years.
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