a musical form consisting of a theme repeated a fifth above or a fourth below its first statement
a dreamlike state of altered consciousness that may last for hours or days
dissociative disorder in which a person forgets who they are and leaves home to creates a new life; during the fugue there is no memory of the former life; after recovering there is no memory for events during the dissociative state
igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt; "volcanic rock includes the volcanic glass obsidian"
explosively unstable; "a volcanic temper"
relating to or produced by or consisting of volcanoes; "volcanic steam"; "volcanic islands such as Iceland"; "a volcanic cone is a conical mountain or hill built up of material from volcanic eruptions"
any disease of the mind; the psychological state of someone who has emotional or behavioral problems serious enough to require psychiatric intervention