Environment & Climate vocabulary · Environmental Policy and Law

Phase out

Meaning in environment & climate, with examples

/ˌfeɪz ˈaʊt/phrasal verbCommon term

In environment & climate, phase out means: To stop using, producing or allowing something gradually, step by step over a planned period, for example coal power or harmful chemicals.

In Turkish: aşamalı olarak kaldırmak, kademeli olarak çıkmak

How it is used

Common in policy texts and negotiations: phase out coal, phase out HFCs, phase out petrol and diesel cars. The noun is written with a hyphen: a coal phase-out, a phase-out date. Negotiators distinguish phase out (end completely) from phase down (reduce).

Example sentences

  1. The country plans to phase out coal power by 2035.

  2. Single-use plastic cutlery was phased out across our cafeterias last year.

Common collocations

  • phase out coal
  • phase-out date
  • gradually phase out
  • phase down

This word in other fields

The same English word can have a different meaning in another field:

More terms: Environmental Policy and Law

Practise with graded reading

Reading at the right level is the fastest way to make new words stick. Pick free English books by level: