Accordion vs. Melodeon — What's the Difference?

Accordions (from 19th-century German Akkordeon, from Akkord—"musical chord, concord of sounds") are a family of box-shaped musical instruments of the bellows-driven free-reed aerophone type, colloquially referred to as a squeezebox. A person who plays the accordion is called an accordionist.

A small harmonium.

A musical instrument played by stretching and squeezing with the hands to work a central bellows that blows air over metal reeds, the melody and chords being sounded by buttons or keys.

A type of reed organ with a single keyboard.

A portable wind instrument with a small keyboard and free metal reeds that sound when air is forced past them by pleated bellows operated by the player.

(musical instruments) An accordion where the melody-side keyboard is limited to the notes of diatonic scales in a small number of keys.

Having folds or bends like the bellows of an accordion

A music hall.

A box-shaped musical instrument with means of keys and buttons, whose tones are generated by play of the wind from a squeezed bellows upon free metallic reeds.

A kind of small reed organ; - a portable form of the seraphine.

(GUI) A vertical list of items that can be individually expanded and collapsed to reveal their contents.

A music hall.

(figurative) A set of items (concepts, links, or otherwise) that can be packed and unpacked cognitively, or their representation as a set of virtual object. en

To fold up, in the manner of an accordion

A small, portable, keyed wind instrument, whose tones are generated by play of the wind upon free metallic reeds.

A portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player

Arranged in parallel folds;