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English definition of “phase”

phase

noun [C]     /feɪz/
B2 any stage in a series of events or in a process of development: The project is only in the initial phase as yet, but it's looking quite promising. We're entering a new phase in international relations.Stages and phases B2 a period of strange or difficult behaviour, especially that a young child or person goes through, that will stop after a while: When I was in my early teens I went through a phase of only ever wearing black.Behaving, interacting and behaviour The phases of the moon are the regular changes in its shape as it appears to us on Earth.Astronomy - general words
(Definition of phase noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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