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“optophone”
optophone
An instrument to enable one to hear the murmur of muscular contractions.
This entry is located in the following units:
op-, opt-, optico-, opsi-, opso-, -opia, -ops, -opsia, -opsis, -opsy, -optic, -opic, -opy
(page 8)
phon-, phono-, -phone, -phonia, -phonic, -phonetic, -phonous, -phonically, -phonetically, -phony +
(page 9)