Main Entry: in·du·ra·tion

Pronunciation: \ˌin-də-ˈrā-shən, -dyə-\

Function: noun

Date: 14th century

: the process of or condition produced by growing hard; specifically : sclerosis especially when associated with inflammation

— in·du·ra·tive \ˈin-də-ˌrā-tiv, -dyə-; in-ˈdür-ə-, -ˈdyür-\ adjective