( n. )
An instrument which, when placed in contact with the chest, will register graphically the comparative duration and intensity of the heart's movements.
( n. )
An instrument which, when placed in contact with the chest, will register graphically the comparative duration and intensity of the heart's movements.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012