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单词 tonophant
释义

> as lemmas

tonophant
tonophant n.
Brit. /ˈtɒnə(ʊ)fant/
,
/ˈtəʊnə(ʊ)fant/
,
U.S. /ˈtoʊnəˌfænt/
,
/ˈtɑnəˌfænt/
a device whereby acoustic vibrations are rendered visible. [ < tono- comb. form + ancient Greek -ϕάντης person who shows < the stem of ϕαίνειν to bring to light, make known, reveal (see -phane comb. form) + -της , suffix forming agent nouns; compare hierophant n.]
ΘΚΠ
the world > matter > physics > science of sound > vibration > instrument for analysing vibration > [noun] > with visible output
phonautograph1859
phonoscope1868
time marker1869
phonograph1875
phoneidoscope1878
harmonograph1879
tonophant1895
vibrograph1904
1895 I. K. Funk et al. Standard Dict. Eng. Lang. II. Tonophant, a device in which two thin pieces of steel welded together are used to exhibit acoustic vibrations to the eye.
extracted from tono-comb. form
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