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8 Words That Are Older Than You Think

self-sealing

[self-see-ling, self-] /ˌsɛlfˈsi lɪŋ, ˈsɛlf-/
adjective
1.
capable of sealing itself automatically or without the application of adhesive, glue, or moisture:
a self-sealing automobile tire; self-sealing envelopes.
Origin
1920-1925
1920-25
Related forms
self-sealer, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for selfsealer

self-sealing

adjective
1.
(esp of an envelope) designed to become sealed with the application of pressure only
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
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