preemption.
An act or process that preempts; a preventive or forestalling action; as:
Meaning & usage
An act or process that preempts; a preventive or forestalling action; as: The purchase of something before it is offered for sale to others.
An act or process that preempts; a preventive or forestalling action; as: The purchase of public land by the occupant.
An act or process that preempts; a preventive or forestalling action; as: The temporary interruption of a task without its cooperation and with the intention of resuming it at a later time.
An act or process that preempts; a preventive or forestalling action; as: The supersession of a conflicting law from a lower jurisdiction by an overlapping law from a higher jurisdiction.
Where this word comes from
From Medieval Latin praeēmptiō (“previous purchase”), from praeemō (“buy before”), from Latin prae- (“before”) + emō (“buy”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.