Englishfor English speakers
development
Noun
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growth
The development of this story has been slow.
The organism has reached an important part in its development.
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Something which has developed
Our news team brings you the latest developments.
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A real estate development.
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Using new ideas for practical problems.
Our development department has created three new adhesives this year.
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The active placement of the pieces, or the process of doing it
White's development is good, but black's has been hampered by the pawn on e5.
kit
Noun
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A kit is a collection of tools.
Bill has a kit to fix toy cars.