We found 24 dictionaries that define the word heart rate:

General (12 matching dictionaries)

1. heart rate: Merriam-Webster
2. heart rate: American Heritage Dictionary of the English Language
3. heart-rate, heart-rate, heart rate: Collins English Dictionary
4. heart rate: Vocabulary.com
5. heart-rate: Wordnik
6. heart rate: Wiktionary
7. heart rate: Dictionary.com
8. Heart rate (exercise), Heart rate: Wikipedia, the Free Encyclopedia
9. heart rate: Rhymezone
10. heart rate: FreeDictionary.org
11. heart rate: Mnemonic Dictionary
12. heart rate: TheFreeDictionary.com

Business (2 matching dictionaries)

13. heart rate: Legal dictionary
14. heart rate: Financial dictionary

Computing (1 matching dictionary)

15. Heart-rate, Heart rate (exercise), heart rate: Encyclopedia

Medicine (9 matching dictionaries)

16. heart rate: Merriam-Webster Medical Dictionary
17. Dorland's Illustrated Medical Dictionary (No longer online)
18. Heart rate, Rate, heart: MedTerms.com Medical Dictionary
19. Medical Dictionary (No longer online)
20. Heart rate: Merck Manuals
21. online medical dictionary (No longer online)
22. Heart-rate, Heart rate (exercise), heart rate: Medical dictionary
23. Heart rate, Rate, heart: Drug Medical Dictionary
24. Hyperdictionary (No longer online)

(Note: See heart_rates as well.)

Definitions from Wiktionary (heart rate) ▸ noun:  The number of heartbeats per unit of time, usually expressed as the number of beats per minute. Similar: pulse, beating heart, hyperbeat, hash rate, heart sound, heartthrob, hashrate, hertz, mi/hr, kilohertz, more... Phrases: fetal heart rate, heart rate monitor, increased heart rate, resting heart rate, target heart rate, more... Adjectives: hyperacute, dicrotic, tachy, pansystolic, diastolic, holodiastolic, presystolic, holosystolic, tachycardic, bigeminal, extrasystolic ▸ Words similar to heart rate ▸ Usage examples for heart rate ▸ Idioms related to heart rate ▸ Wikipedia articles (New!) ▸ Words that often appear near heart rate ▸ Rhymes of heart rate ▸ Invented words related to heart rate