Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “phase sth down”

phase sth down

US phrasal verb with phase     /feɪz/ verb [T, often passive]
to remove or stop using something gradually or in stages : We are working to phase down the use of this dangerous gas .
(Definition of phase sth down from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of phase sth down

Word of the Day


a skilled and trained cook who works in a hotel or restaurant, especially the most important cook

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More