̷ ̷ˌ ̷ ̷ ̷ ̷ˈāshən noun
( -s )
Etymology: Latin hallucination-, hallucinatio, alucination-, alucinatio, from hallucinatus, alucinatus + -ion-, -io -ion
1.
a. : perception of objects with no reality : experience of sensations with no external cause usually arising from disorder of the nervous system (as in delirium tremens or in functional psychosis without known neurological disease)
b. : the object of a hallucinatory perception
2. : a completely unfounded or mistaken impression or notion : delusion
that popular hallucination , from which not even great scientists are … free — Lewis Mumford
• hal·lu·ci·na·tion·al ̷ ̷| ̷ ̷ ̷ ̷|āshən ə l, -āshnəl adjective
• hal·lu·ci·na·tive ̷ ̷ˈ ̷ ̷ ̷ ̷ˌād.iv, ̷ ̷ˈ ̷ ̷ ̷ ̷_əd.iv adjective