[ ˌdʌɪə'nɛtɪks ]
■ plural noun [treated as sing. ] a system developed by the founder of the Church of Scientology, L. Ron Hubbard, which aims to relieve psychosomatic disorder by cleansing the mind of harmful mental images.
Origin
1950s: from Gk dianoētikos 'relating to thought' + -ics .