| Main Entry: | dianetics |
| Part of Speech: | n |
| Definition: | a theory devised by L.Ron Hubbard to explain the functions of the human mind and the relief of psychosomatic illness, based on the concept of an engram; it was published in 1950 and is also called dianetic therapy |
| Etymology: | Greek dia + nous 'through soul' |
| Usage: | trademark |