dahy-uh-ram-uh

according to dictionary.com a diorama is:

1.	a scene, often in miniature, reproduced in three dimensions by placing objects, figures, etc., in front of a painted background.

2.	a life-size display representing a scene from nature, a historical event, or the like, using stuffed wildlife, wax figures, real objects, etc., in front of a painted or photographed background.

3.	a spectacular picture, partly translucent, for exhibition through an aperture, made more realistic by various illuminating devices.

4.	a building or room, often circular, for exhibiting such a scene or picture, esp. as a continuous unit along or against the walls.

but most of us think of making scenes in a shoe box, hobby lobby, or the natural history museum when we hear the word diorama.