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echograph

[ek-oh-graf, -grahf]

noun

a device that records oceanic depths by means of sonic waves.

a similar device used in ultrasonography to examine internal body structures or monitor fetal development.

Origin of echograph

First recorded in 1945–50; echo + -graph

Related formsech·o·graph·ic

[ek-oh-graf-ik] /ˌɛk oʊˈgræf ɪk/, adjectiveech·o·graph·i·cal·ly, adverbe·chog·ra·phy

[e-kog-ruh-fee] /ɛˈkɒg rə fi/, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019