- expendable bathy-thermograph
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an instrument that records water temperature with depth. Abbreviated as XBT
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
XBT — abbreviation for an expendable bathy thermograph, an instrument that records water temperature with depth … Dictionary of ichthyology
bathythermograph — /bath euh therr meuh graf , grahf /, n. Oceanog. an instrument that makes a record of the temperature at various depths in the ocean. [1935 40; BATHY + THERMOGRAPH] * * * ▪ instrument any of various oceanographic devices containing… … Universalium