/ Dictionary / Index B bathythermograph: Meaning and Definition of Find definitions for: bath•y•ther•mo•graph Pronunciation: (bath"u-thûr'mu-graf", -gräf"), [key] — n. Oceanog. an instrument that makes a record of the temperature at various depths in the ocean. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bathythermogram batik Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language