What does "phase out" mean?

To gradually stop using To discontinue something progressively rather than suddenly.

How do you use "phase out" in a sentence?

They're phasing out the old system. Coal is being phased out. The product was phased out.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To gradually stop using

逐步停止使用

Dejar de usar gradualmente

段階的に廃止する

단계적으로 폐지하다

To discontinue something progressively rather than suddenly.

逐渐停止某事，而非突然中断。

Descontinuar algo de forma progresiva en lugar de repentina.

突然ではなく段階的に何かを中止すること。

갑자기가 아니라 점진적으로 사용을 중단하다.

Base verb: phase

Particle: out

Separable: Yes — the object can go between the verb and particle

They're phasing out the old system.
他们正在逐步淘汰旧系统
Están eliminando gradualmente el sistema antiguo
旧システムを段階的に廃止している
구 시스템을 단계적으로 폐지하고 있다.
Coal is being phased out.
煤炭正在逐步被淘汰
El carbón se está eliminando gradualmente
石炭は段階的に廃止されている
석탄이 단계적으로 퇴출되고 있다.
The product was phased out.
该产品已停产
El producto fue descontinuado
その製品は廃番になった
그 제품은 단종되었다.

Context: discontinuation, policy, business

Tone: gradual

From removing in phases or stages.

Era: Modern

Generation: All ages

Social background: Universal