sostenenten.
A device or contrivance attached to a pianoforte for the purpose of producing sustained notes like an organ. Also attributive.
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society > leisure > the arts > music > musical instrument > keyboard instrument > stringed keyboards > [noun] > pianoforte > sustaining device
sostenente1840
1840 Penny Cycl. XVIII. 142/2 Mr. Mott's sostinente was an application of a cylinder and silk loops to an upright piano-forte. The..tones came forth somewhat like the tones of the seraphine.
1881 Morning Post 2 June Messrs. Brinsmead have patented..the sostenente sounding board, capable of sustaining sound for 60 seconds.
1885 Encycl. Brit. XIX. 76/1 (note) Mott..attracted much attention by a piano with sostenente effect..in 1817.
1885 Encycl. Brit. XIX. 76/1 But a sostenente piano..is no longer a true piano.
This entry has not yet been fully updated (first published 1913; most recently modified version published online December 2020).
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n.1840