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self-sealing

American  
[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.
self-sealing British  

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

Other Word Forms

Etymology

Origin of self-sealing

First recorded in 1920–25

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.