hallucination
n. மாயக்காட்சி, மருட்சி.
Hal*lu`ci*na"tion, n. Etym: [L. hallucinatio cf. F. hallucination.] 1. The act of hallucinating; a wandering of the mind; error; mistake; a blunder. This must have been the hallucination of the transcriber. Addison. 2. (Med.) Defn: The perception of objects which have no reality, or of sensations which have no corresponding external cause, arising from disorder or the nervous system, as in delirium tremens; delusion. Hallucinations are always evidence of cerebral derangement and are common phenomena of insanity. W. A. Hammond.