An instrument for recording variations in pressure, as of the blood, or in tension, as of a muscle, by means of a pen or stylus that marks a rotating drum.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "kymograph" in a sentence
"Carl Ludwig (181695) perfected the kymograph, which became an invaluable measuring instrument for physiology."
"A most excellent preservation of the record of the minor muscular movements is obtained by dipping the smoked paper on the kymograph drum in a solution of resin and alcohol."
"The excursions of the tambour pointer as recorded on the smoked paper of the kymograph give a true picture of the respiration rate."