from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An abnormal condition or mental state characterized by hallucination.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A mental state of hallucination.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a mental state in which the person has continual hallucinations
hallucin(ation) + -osis.(American Heritage® Dictionary of the English Language, Fourth Edition)