hardness, or the process of becoming hard

listen to the pronunciation of hardness, or the process of becoming hard
İngilizce - İngilizce
induration

The voice was harder than I had known, and not only in stony reaction to long floods of wholly just selfpity, also roughened with gin and smoke, perhaps also assimilated to New York induration, the hardness of culture as well as of pain.

hardness, or the process of becoming hard