靭じん性せいじんせいじ字FuriganaAudioMeanings1nountoughness; fracture toughnessTechnical term in materials science for a material's ability to absorb energy and deform without fracturing. Often contrasted with 脆性 (brittleness).See also: 脆性この鋼こう材ざいは靭じん性せいが高たかく、衝しょう撃げきに強つよい。Break this sentence down in the analyzerThis steel has high toughness and is resistant to impact.材ざい料りょうの靭じん性せいを評ひょう価かする試し験けんを行おこなった。Break this sentence down in the analyzerWe conducted a test to evaluate the fracture toughness of the material.See all 7 example sentences ›