Englishfor English speakers
phase
Noun
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A phase is stage in a process.
We will look at very basic ideas during the first phase of training.
As the war enters its final phase, the role of the UN will probably become more important.
Teenagers often go through a phase of being attracted to someone of the same sex.
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If things are in phase, they are working, moving, or changing together.
phase
Verb
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If you phase something in, you introduce it step by step.
Over the next few years, all farm support was slowly phased out.
lag
Verb
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An act of someone/something being slow.
Walk faster! Don't lag behind!