单词 | lamprophoner |
释义 | > as lemmasˈlamproˌphoner ˈlamproˌphoner n. Brit. /ˈlamprə(ʊ)ˌfəʊnə/ , U.S. /ˈlæmprəˌfoʊnər/ [Greek ϕωνή + -er suffix1] an instrument for increasing the intensity of sound.Π 1897 Amer. Ann. Deaf June 265 In the Indiana Institution experiments are in progress with the ‘lamprophoner’, an instrument which..increases the intensity of sound. < as lemmas |
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