melodeon

As nouns the difference between melodica and melodeon

is that melodica is a free-reed keyboard wind instrument while melodeon is a music hall.

As nouns the difference between terms and melodeon

is that terms is while melodeon is (historical|us) a music hall or melodeon can be (historical|musical instruments) a type of reed organ with a single keyboard.

As nouns the difference between melodeon and melodion

is that melodeon is a music hall while melodion is an accordion.

Melodeon is a hypernym of accordion.

As nouns the difference between accordion and melodeon

is that accordion is a small, portable, keyed wind instrument, whose tones are generated by play of the wind from a squeezed bellows upon free metallic reeds while melodeon is a music hall.

As a verb accordion

is to fold up, in the manner of an accordion.

As an adjective diatonic

is within the boundaries of a musical scale, most commonly the Western major or minor tonalities that have octaves of seven notes in a particular configuration.

As a noun melodeon is

a music hall.

As nouns the difference between keyboard and melodeon

is that keyboard is a set of keys used to operate a typewriter, computer etc while melodeon is a music hall.

As a verb keyboard

is to type on a computer keyboard.