crack arrester


Definition of crack arrester

1 : a plate on a ship riveted over a crack in another plate or over a stressed area where a crack might start
2 : a hole drilled or a slot cut at the apex of a crack in the plate of a ship to stop the crack from spreading or at a point of stress to stop a crack from starting

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“Crack arrester.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2020.

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