Meaning of the word "phase out" in English

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

phase out

US /feɪz aʊt/
UK /feɪz aʊt/
"phase out" picture

Phrasal Verb

to gradually stop using or providing something

Example:
The company plans to phase out the old software by next year.
They decided to phase out the use of plastic bags in their stores.