ring binder

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noun

a loose-leaf binder in which the sheets are held in by two or more rings that can be made to snap open.

Origin of ring binder

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for ring binder

ring binder


noun

a loose-leaf binder fitted with metal rings that can be opened to allow perforated paper to be inserted
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012