Main Entry: ra·ti·o·ci·na·tion

Pronunciation: \-ˌō-sə-ˈnā-shən, -ˌnä-\

Function: noun

Date: circa 1530

1 : the process of exact thinking : reasoning
2 : a reasoned train of thought

— ra·ti·o·ci·na·tive \-ˈō-sə-ˌnā-tiv, -ˈnä-\ adjective