# rollover

/ˈɹoʊˌɫoʊvɝ/ (US) · /ɹˈəʊləʊvɐ/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/rollover
Updated: 2026-05-20

## Definition

the act of moving data or money from one place to another. In computing, it means moving data to a new location to make more space. In finance, it means moving money from one investment to another.

For teachers: the process of transferring data, funds, or assets from one location or account to another. In computing, it refers to the movement of data from a full memory buffer to a secondary storage device; in finance, it describes the transfer of capital between different investment vehicles.

## Examples

- The system performs an automatic rollover of old files every night.
- After retiring, he decided to perform a tax-free rollover of his pension into a new investment account.
- The server's memory management system handles the data rollover seamlessly, ensuring that the primary buffer remains available for incoming requests while the older data is archived.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.