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单词 hydrophone
释义

WordReference Random House Learner's Dictionary of American English © 2024
hy•dro•phone /ˈhaɪdrəˌfoʊn/USA pronunciation   n. [countable]
  1. Electronicsa device for detecting sounds sent through water, as for locating submarines.
See -hydr-, -phon-.
WordReference Random House Unabridged Dictionary of American English © 2024
hy•dro•phone  (hī′drə fōn′),USA pronunciation n. 
  1. a device for locating sources of sound under water, as for detecting submarines by the noise of their engines.
  2. an instrument employing the principles of the microphone, used to detect the flow of water through a pipe.
  3. [Med.]an instrument used in auscultation, whereby sounds are intensified through a column of water.
  • hydro-1 + -phone 1855–60

Collins Concise English Dictionary © HarperCollins Publishers::
hydrophone /ˈhaɪdrəˌfəʊn/ n
  1. an electroacoustic transducer that converts sound or ultrasonic waves travelling through water into electrical oscillations
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