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callosity|kəˈlɒsɪtɪ|
[a. F. callosité:—L. callōsitāt-em, f. callōs-us; see callous.]
1. The condition of being callous; abnormal hardness and thickness of the skin or other tissues.
1578Banister Hist. Man i. 4 b, The callositie of the Gowmes serueth some men in stead of teeth. 1671Salmon Syn. Med. i. l. 119 If the Flesh about the Ulcer be dry, and sensless, it becomes a callous: and that Hardness is called Callosity. 1744Mitchell in Phil. Trans. XLIII. 108 The Thickness or Callosity of their Skins. 1831Brewster Nat. Magic xii. (1833) 303 This callosity of the skin may be effected by frequently moistening it with dilute sulphuric acid.
2. concr. A callous formation, a callus; a thickened and hardened part of the skin, such as the hard lumps that arise from constant pressure or friction, or on the cicatrized surfaces of ulcers. Also applied to natural thickenings, such as those on the legs of the horse, the breast of the camel, etc.
1601Holland Pliny xvi. vii. 460 Certain hard callosities like Pumish stones. 1725Bradley Fam. Dict. s.v. Strangury, If the Ischaria is caused by some Flesh Kernel or Callocity. 1818Art. Preserv. Feet 42 A simple Callosity is nothing more than a thickening of the epidermis. 1878Tait & Stewart Unseen Univ. v. §165. 169 Asses..have callosities only on the inner side of the fore legs.
3. fig. A hardened state of mind or conscience; insensibility; = callousness 2.
1658Sir T. Browne Hydriot. v. 28 To weep into stones are fables. Afflictions induce calosities. 1748Hartley Observ. Man ii. iii. §7. 311 When Men cease to regard God in due measure..they are very apt to relapse into Negligence and Callosity. 1874Farrar Life Christ 82 A callosity of heart, a petrifying of the moral sense. |