noun🔗ShareA sensory perception of something that does not exist, often arising from disorder of the nervous system, as in delirium tremens; a delusion."The student's intense stress led to visual hallucinations; she saw floating objects in the classroom that weren't there. "medicinemindsensationdiseasephysiologyChat with AIVocabulary GamePractice Reading
noun🔗ShareThe act of hallucinating; a wandering of the mind; an error, mistake or blunder."The student's hallucination about a dragon in the classroom caused a disruption. "mindmedicinesensationbodyChat with AIVocabulary GamePractice Reading