cardiotachometer
Americannoun
Etymology
Origin of cardiotachometer
First recorded in 1925–30; cardio- + tachometer
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Vacuum tubes in the cardiotachometer amplified the heart action current which thereupon operated a counting device and a recording pen.
From Time Magazine Archive
By means of the cardiotachometer, machine with amplifying vacuum tubes, the tiny electrical current generated by each heart beat makes its record on a paper tape, like those in stock brokers' offices.
From Time Magazine Archive
From the electrodes ran 60-ft. wires to a "cardiotachometer," which Dr. Boas devised.
From Time Magazine Archive
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
