transcription, транскрипция: [ prəgreʃ(ə)n ]
( progressions)
1.
A progression is a gradual development from one state to another.
Both drugs slow the progression of HIV, but neither cures the disease...
= development
N-COUNT : usu sing , usu with supp
2.
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.
N-COUNT : N of n