Definition of harmonium in English English dictionary
A small keyboard instrument consisting of a series of reed pipes which sound when air is allowed to pass through them by means of a valve that opens when a key is depressed
a musical instrument with a keyboard and metal pipes like a small organ (harmonie; HARMONY). or reed organ Free-reed keyboard instrument in which wind from a foot-operated bellows causes metal reeds to vibrate. Pitch is determined by the size of the reed; there are no pipes. Separate sets of reed produce different tone colours, the sound quality being determined by the size and shape of the tone chamber surrounding each reed. The harmonium developed in the early to mid-19th century in Europe and America, and it was a very popular church and home instrument into the 1930s
A type of organ or keyboard instrument constructed of wood Foot pedals operate bellows that create either suction or generate air pressure It was also called a reed organ and was a popular substitute for the pipe organ in churches
A keyboard instrument resembling a small organ It was invented in the 19th-century Pedals activate bellows, which force air through a set of reeds
A musical instrument, resembling a small organ and especially designed for church music, in which the tones are produced by forcing air by means of a bellows so as to cause the vibration of free metallic reeds