Fragilitas, pe. cor. huius fragilicâtis, fœ. gen. Plin. iun.Frailtie: brickleuesse: vnconstancie.Imbecillitas & fragilitas generis humani, Cic.Naturæ communis fragilitas.Cic.Fragilitas humana. Plin. Mans frailtie.Duratur ferrum in fragilitatem. Plini. Iron is so hardened, that it is made brickle.Fragiliter.Weakely: vnconstantly.
Lewis and Short: Latin dictionary
frăgĭlĭtas, ātis, f. [fragilis], brittleness, fragility.I.Lit.: tus probatur candore, amplitudine, fragilitate, Plin. 12, 14, 32, 65: tenuiora ferramenta oleo restingui mos est, ne aqua in fragilitatem durentur, id. 34, 14, 41, 146.—II.Transf. (acc. to fragilis, II.), weakness, frailness, frailty: humani generis imbecillitatem fragilitatemque extimescere, Cic. Tusc. 5, 1, 3: mortalitatis, Plin. Ep. 4, 24, 2: naturae communis, Auct. Or. pro Marcello, 7, 22: fidei humanae, App. M. 9, p. 225.