GEOPHONE
Meaning of GEOPHONE in English
transcription, транскрипция: [ ˈjē-ə-ˌfōn ]
noun
Date: 1919
: an instrument for detecting vibrations passing through rocks, soil, or ice
Merriam-Webster's Collegiate English vocabulary.
Энциклопедический словарь английского языка Merriam Webster.
2003