单词 | tonophant |
释义 | > as lemmastonophant 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. < as lemmas |
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