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English definition of “-ability”

-ability

suffix     /-ə.bɪl.ɪ.ti/ US  /-ə.t̬i/ (also ibility)
used to form nouns from adjectives ending in '-able' or '-ible', to mean the quality of being the stated adjective: suitability stabilityConditions and characteristics
(Definition of -ability suffix from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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