Definition of retroactivity Retroactivity
/ɹɛˌtɹowæktɪˈvɪti/ - [retrowaktivitee] -
We found 2 definitions of retroactivity from 1 different sources.
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What does retroactivity mean?
Wiktionary 
- retroactivity (Noun)
The state or characteristic of being retroactive. - retroactivity (Noun)
The application of a law to events that took place before it was made.
