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Webster 1913 Edition

Adj.

Pertaining to, or contained in, archives or records.

Tooke.

Adj.

[See Archives.] Pertaining to archives or records; contained in records.

See also: archivál

archival ‎(comparative more archival, superlative most archival)

Of or pertaining to an archive or archiving.
Their archival methods left something to be desired.
Of a quality suited to the conservational needs of an archive.
Artists should use archival-quality paper to ensure a long life for their works on paper.

of or pertaining to an archive or archiving