prestack

Fetched 2026-10-26 (cache).

Synonyms: restack, prestate, presta, restock, prestwick, presoak, prepack, presspack, prestage, pre-pack, pressback, prestant

Antonyms: restack, prestate, presta, restock, prestwick, presoak, prepack, presspack, prestage, pre-pack, pressback, prestant

Related words from Datamuse; suggestions, not definitions.

Adjective

1. Before [[stacking]], in the context of {{w|seismic migration}}.

Noun

1. {{lb|en|category theory}} {{n-g|The [[category]] ''c'' is called a prestack over a category ''C'' with a [[Grothendieck topology]] if it is [[fibered]] over ''C'' and for any [[object]] ''U'' of ''C'' and objects ''x'', ''y'' of ''c'' with [[image]] ''U'', the [[functor]] from objects over ''U'' to [[set]]s taking ''F'':''V''→''U'' to Hom(''F''*''x'',''F''*''y'') is a [[sheaf]].}}

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.