靱性 じんせい Also written 靭性, じん性 Meanings Noun toughness (of a material); tenacity; fracture toughness See also: 脆性 (ぜいせい). Kanji 靱 soft; pliable; quiver. Read as ジン. 性 nature. Read as セイ. Words containing 靱性 破壊靱性 (はかいじんせい) fracture toughness Jinuma: Japanese Dictionary · Word lists