progressive alteration
noun phraseUK /prəˈɡrɛsɪv ˌɔːltəˈreɪʃən/
US /prəˈɡrɛsɪv ˌɔːltəˈreɪʃən/
A slow change that keeps happening step by step over time.
The progressive alteration of the tadpole into a frog takes several weeks.
RELATED WORDS
OTHER MEANINGS
2. A series of small changes made one after another to improve something.
The progressive alteration of the old house made it safer and brighter.
3. The act of changing a musical theme bit by bit as a piece plays.
The composer used progressive alteration to turn the simple tune into a grand finale.
4. A slow change in a rule or law over many years.
The progressive alteration of the town's rules allowed more parks to be built.