electropneumatically
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keyboard instrument — ▪ music Introduction any musical instrument on which different notes can be sounded by pressing a series of keys, push buttons, or parallel levers. In nearly all cases in Western music the keys correspond to consecutive notes in the… … Universalium
electropneumatic — ̷ ̷| ̷ ̷ ̷ ̷ at electro + adjective Etymology: electr + pneumatic : of or relating to a combination of electrical and pneumatic effects : operated by electric and pneumatic power an electropneumatic signal • electropneumatically “+ adverb … Useful english dictionary