harmonium
UK /hɑːˈməʊ̯.niː.əm/ US /hɑɹˈmoʊ̯.ni.əm/
noun 2
Definitions
noun
1
A small keyboard instrument that consists of a series of reed pipes, which sound when one of the keys is pressed to open a valve that allows air to pass through.
Pianos, melodiums, harmoniums, eolinas, &c. too dear at any price.
The only other man was a little grey-headed fellow with a pleasant face and quick, twinkling eyes, who sat at a harmonium in the corner.
2
Synonym of Hooke's atom.
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