Adjective:

శాంతియుత మనస్సు, అమనాపస్వాండ్, శాంతియుతం, ప్రశాంతత,

pierceable's Usage Examples:

applies also to cartridges that do not have a Lindal valve, such as the valveless pierceable Epigas canisters often used in Europe.

The Lindal valve, unlike of course a pierceable canister, should seal itself.

They are extremely subtle, indivisible, impierceable, ageless, and immortal.

course a pierceable canister, should seal itself if the fuel container is unscrewed from the equipment to which it is attached.

valve, such as the valveless pierceable Epigas canisters often used in Europe.