You searched for: “acoustic spectrographs”
acoustic spectrograph (s) (noun), acoustic spectrographs (pl)
A device using sound waves to study the transmissions and reflections that are characteristic of ocean thermal layers and marine organisms: The oceanographers used acoustic spectrographs to determine the various levels of the heat waves of the water and of the creatures that existed in different parts of the sea.
This entry is located in the following unit: acous-, acou-, acouo-, acoustico-, acouto-, acousti-, -acousia, -acousis, -acoustical, acu-, -acusis-, -acusia (page 2)