megadata means extremely large collections of electronically-stored data. Lexicurio rates it Rare gem — a strength score of 80 out of 100.
Etymology
From mega- + data.
noun
- Extremely large collections of electronically-stored data.“Experience with "megadata," large collections of remote objects presented to users, suggests that users typically view large collections of icons, but open only a few of them for detailed inspection.”
- Large collections of personal data that are gathered and maintained by companies for commercial exploitation.“The multiple agencies (state, non-state and hybrid) engaged in surveillance and the various processes, forms and purposes of surveillance that is brought together through information sharing networks or other means (from the sale of access to databases through to secret court orders demanding technology companies transfer megadata to state agencies) to create more intensive and comprehensive surve”