Indurated [verb]

This occasioned severe punishment; and the hearts of their masters being indurated by habit, it often led to acts of barbarity.

Anyway, "Beans" seems to have suffered no inconvenience from having swallowed that indurated knob of gutta percha.

When this takes place, the rending of the indurated soil is sudden and violent, as if from the shock of an earthquake.

The rocks composing the channel of the river at the crossing place, were of indurated clay.

They all seemed231 hearty and healthy, and their indurated hands were the best diploma of their industry.

Fragmental rocks are often quite indurated—the matrix being as hard as the included stones.

It is a tertiary formation of indurated sands, clays, and marl, cut up into ravines and cañons by streams and climatic action.

His hair was black and close-cut; his skin indurated; and the bridge of his nose smashed level with his face.

He found four girls, the centres of whose hands and feet were indurated by the frequent perforations of the nails.

Part of the upper, and the whole of the inferior lobe, were soaked with carbon, and felt indurated.