Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “phase”

See all translations

phase

noun [C]  /feɪz/ us  
any stage in a series of events or in a process of development: The project is only in its first phase of planning, so we haven’t yet established the cost. The phases of the moon are the regular changes in its shape as it appears to people on earth. physics A phase is one of the forms in which matter can exist, such as solid, liquid, or a gas. physics A phase is also one of the stages or points in a repeating process measured from a specific starting point.
(Definition of phase from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of phase?
Add Cambridge dictionaries to your browser to your website

Definitions of “phase” in other dictionaries

Word of the Day

glacial

made or left by a glacier

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More