progression

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pro|gres|sion /prəgr'eʃən/ (progressions)
1 [N-COUNT] usu sing, usu with supp
A progression is a gradual development from one state to another.
Both drugs slow the progression of HIV, but neither cures the disease...
= development
2 [N-COUNT] N of n
A progression of things is a number of things which come one after the other. (FORMAL)
...a progression of habitats from dry meadows through marshes to open water.

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ablaze

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allowance

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