unbreakability en · NOUN
Etymology
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Germanic *un- Proto-West Germanic *un- Old English un- Middle English un- English un- English break Proto-Indo-European *-dʰlom Proto-Italic *-ðlom Proto-Italic *-ðlis Latin -bilis Latin -ābilis Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Proto-Italic *-tāts Latin -tās Latin -abilitas Middle French -abletébor. Middle English -ablete English -ability English breakability English unbreakability From un- + breakability.
Meanings
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(uncountable) The quality of being impossible to break.
2004, American Mathematical Society, Bulletin (new series) of the American Mathematical Society So when one speaks of the "unbreakability" of one-time pads, one is speaking only to the mathematical unbreakability of the cryptography and not to the underlying security system in which it is embedded.