
1) Deposit 2) Depository 3) Like the Congressional Record 4) Of a large store of data 5) Repository
Found on
https://www.crosswordclues.com/clue/archival

• (a.) Pertaining to, or contained in, archives or records.
Found on
http://thinkexist.com/dictionary/meaning/archival/

Term describing a product or technique used in preserving artifacts, photographs, memorabilia and other items.
Found on
http://www.encyclo.co.uk/local/20484

Any museum quality material that will protect postcards for extended periods of time
Found on
http://www.encyclo.co.uk/visitor-contributions.php
Ar'chi·val adjective Pertaining to, or contained in, archives or records.
Tooke. Found on
http://www.encyclo.co.uk/webster/A/116

Refers to materials that meet certain criteria for permanence such as lignin-free, pH neutral, alkaline-buffered, stable in light, etc.
Found on
http://www.modernsculpture.com/glossary.htm

Refers to materials that meet certain criteria for permanence such as lignin-free, pH neutral, alkaline-buffered, stable in light, etc.
Found on
http://www.rexart.com/glossary.html

[
adj] - of or relating to or contained in or serving as an archive
Found on
http://www.webdictionary.co.uk/definition.php?query=archival
adjective of or relating to or contained in or serving as an archive
Found on
https://www.encyclo.co.uk/local/20974

of or pertaining to archives or valuable records; contained in or comprising such archives or records.
Found on
https://www.infoplease.com/dictionary/archival
No exact match found.