1620s, from Latin diptycha (plural), from late Greek diptykha, neuter plural of diptykhos "double-folded, doubled," from dis- "two" + ptykhe "fold."

A work of art made up of two parts, usually hinged together.

A diptych is a painting or relief carving made of two parts, which are usually joined by hinges. They are invariably small in size and, if an altarpiece, were used for private devotion. Diptychs are h [..]

A diptych is an artwork consisting of two painted or carved panels

A portable tablet consisting of two shallow hinged boxes made of wood, ivory, or metal filled with a layer of beeswax on the inside, on which the ancient Greeks and Romans wrote with a stylus. When wa [..]

(n) a painting or carving (especially an altarpiece) on two panels (usually hinged like a book)

A two-panel painting that is connected and sometimes hinged. Often seen during the late Medieval and early Renaissance periods in Italy and the North. Also see Triiptych and Polyptych.

(Lat. diptychum,

is when two images are placed horizontally next to each other to create a new work.

A painting or relief carving on two hinged panels so it can be opened and closed like a book, it is usually an altarpiece but is also a technique used by modernist artists. Source: Ralph Mayer, " [..]

A diptych is any object with two flat plates attached at a hinge. Devices of this form were quite popular in the ancient world, types existing for recording notes and for measuring time and direction. [..]

 - Two separate paintings which are attached by hinges or other means, displayed as one artwork.

A work in the form of two related paintings or panels placed side by side.

A two-part painting often of attached panels.

A painting or bas relief consisting of two panels. These panels can be hinged so as to open the panels like a book. But the term diptych is also used to refer to any painting consisting of two individ [..]

One work that is created across two canvases or panels, that are meant to be shown with one another.

A painting or carving on two panels, usually hinged.

in medieval art a picture, often an altarpiece, consisting of two folding wings without a fixed central area.