nomologicalPronunciation: /ˌnɒməˈlɒdʒɪkəl/Definition of nomological adjective relating to or denoting principles that resemble laws, especially those laws of nature which are neither logically necessary nor theoretically explicable, but just are so. another term for nomothetic.Derivatives nomologically adverb Origin: mid 19th century: from Greek nomos 'law' + -logical (see -logy)nomological in other Oxford dictionaries Definition of nomological in the US English dictionary