ens rationis

noun ens ra·ti·o·nis \¦enzˌrashēˈōnə̇s; ¦en(t)sˌrätēˈ-, -ätsēˈ-\

Definition of ens rationis

  1. :  an abstract logical entity usually having no positive existence outside the mind — compare ens reale

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Origin and Etymology of ens rationis

Medieval Latin, literally, being of the mind

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a rounded knoll or a ridge of ice

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