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1890s
foray
marseilles
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third
emphasizes
act on
parturiency
abu ali al-husain ibn abdallah ibn sina
frontal
smattering
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acoustic device
acoustic device
/əˈkuːstɪk dɪˈvaɪs/
noun
A device for amplifying or transmitting sound
(
acoustic device
)
a device for amplifying or transmitting sound
The hall was fitted with an acoustic device to improve sound quality.
The hall was fitted with an acoustic device to improve sound quality.
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