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heart rate

noun
  1. the number of heartbeats per minute.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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heart rate in Medicine

heart rate

n.
  1. The number of heartbeats per unit of time, usually expressed as beats per minute.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

heart rate in Science

heart rate

  1. The number of heartbeats per unit of time, usually expressed as beats per minute.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.