[ ˌskɪtsə(ʊ)'fri:nɪə ]
■ noun a mental disorder involving a breakdown in the relation between thought, emotion, and behaviour, leading to faulty perception, inappropriate actions and feelings, and withdrawal from reality into fantasy and delusion.
Origin
early 20th cent.: mod. L., from Gk skhizein 'to split' + phrēn 'mind'.