self-sealing
self–seal·ing
adj \ˈself-ˈsē-liŋ\Definition of SELF-SEALING
1
: capable of being sealed by pressure without the addition of moisture <self–sealing envelopes>
2
: capable of sealing itself (as after puncture) <a self–sealing tire>
See First Known Use of SELF-SEALING
1851
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