acid-free

adjective

: not containing acid : having a neutral or alkaline pH

acid-free paper

Every evening, trained volunteers will place any personal items or memorabilia left at the replica wall in archival folders or acid-free boxes.

—Brian Burnes, Kansas City Star, 22 Sept. 2010

Word History

First Known Use

1885, in the meaning defined above

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Rhymes for acid-free

• agree
• allee
• banshee
• beastly
• bibi
• bowsprit
• carefree
• cerci
• chablis
• cowpea
• crappie
• crappy