noun The action of exposing something to something, such as skin to the sunlight.
noun The act or process of declaring or describing something through either speech or writing, in nonfiction or in fiction; the portions and aspects of a piece of writing that exist mainly to describe or explain a set of things (such as, in fiction, the setting, characters and other non-plot elements).
This essay has too much exposition in it.
noun The act of expulsion, or being expelled, from a place.
noun An exhibition, especially of goods, artwork or cultural displays to the public.
The first prototype was unveiled at an exposition.
noun An essay or speech in which any topic is discussed in detail.
I turned my research into an exposition on the traditional music of Borneo.
noun An opening section in fiction, in which background information about the characters, events or setting is conveyed.
noun The opening section of a movement in sonata form; the opening section of a fugue.