phase out
phase out — verb
- phase outpresent simple I / you / we / they
- phases out3rd person singular
- phasing out-ing form
- phased outpast simple
1. to stop using, producing, or providing something bit by bit over time, rather th
to stop using, producing, or providing something bit by bit over time, rather than all at once — for example, when a company stops selling an old model of phone by making fewer units each month until none remain.
The airline plans to phase out its older planes over the next three years.
phase out + noun (older planes) as direct object
Linh's school phased out printed textbooks and gave each student a tablet instead.
phased out as completed action in past tense
The government decided to phase out single-use plastic bags by the end of next year.
Sora's company phased out paper receipts last year and now uses a digital billing system.
Many farmers in Walid's region have started to phase out chemical pesticides on fruit trees.
- eliminate
Stronger and faster — suggests complete removal, not gradual stages
- discontinue
More formal; can be sudden or gradual, lacks the 'by stages' nuance
- withdraw
Focuses on pulling something back from use, often from a market or service
文法句型
phase + noun + out
phase out + noun
用法筆記
Object is usually a product, system, material, or practice that is being replaced or removed on a timetable. Frequently used in business, environmental, and technology contexts.
常見錯誤
phase out — noun
1. the process of bringing something to an end by following planned stages rather t
the process of bringing something to an end by following planned stages rather than stopping it all at once.
The phase-out of leaded petrol took more than twenty years in many countries.
phase-out of + noun (leaded petrol)
During the phase-out, employees were offered jobs in other parts of the company.
The government announced a five-year phase-out of coal-fired power plants across the region.
Residents learned about the phase-out of the old bus route at a public meeting.
The phase-out plan includes training sessions for workers who will need new skills.
- discontinuation
More general; can be sudden or planned, while phase-out implies gradual stages
- wind-down
More informal; suggests a gradual reduction of activity rather than strict stages
- withdrawal
Focuses on pulling out of something, often from a market or agreement
- introduction
Bringing something into use, the opposite of ending it
- phase-in
The noun form of gradual introduction
文法句型
phase-out of + noun
phase-out period
用法筆記
Often written with a hyphen (phase-out) in noun form. Typically describes institutional or governmental transitions rather than personal decisions.