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WordReference Random House Learner's Dictionary of American English © 2024e•lec•tro•car•di•o•graph /ɪˌlɛktroʊˈkɑrdiəˌgræf/USA pronunciation n. [countable]- Medicinea device that detects electric changes in the part of the nervous system that triggers the heartbeat, used to evaluate the heart's health.Abbr.: EKG, ECG
WordReference Random House Unabridged Dictionary of American English © 2024e•lec•tro•car•di•o•graph (i lek′trō kär′dē ə graf′, -gräf′),USA pronunciation n. [Med.]- Medicinea galvanometric device that detects and records the minute differences in electric potential caused by heart action and occurring between different parts of the body: used in the diagnosis of heart disease. Also called cardiograph.
- 1910–15; electro- + cardiograph
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