The process or condition of becoming brittle; the state of being hard, inflexible, and easily broken.
From 'embrittle' plus the suffix '-ment,' which nominates the action or resulting state. This follows standard English derivational patterns.
Hydrogen embrittlement is one of engineering's sneakiest problems—hydrogen atoms diffuse into steel and make it shatter unexpectedly, which is why welders and NASA engineers study it obsessively.
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