self-sealing

[self-see-ling, self-]

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

adjective

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

Other Word Forms

• self-sealer noun

Word History and Origins

Origin of self-sealing¹

First recorded in 1920–25