We found 24 dictionaries that define the word infrared radiation:

General (9 matching dictionaries)

1. infrared radiation: Vocabulary.com
2. infrared radiation: Wordnik
3. infrared radiation: Wiktionary
4. infrared radiation: Dictionary.com
5. Infrared Radiation, Infrared radiation: Wikipedia, the Free Encyclopedia
6. infrared radiation: Rhymezone
7. infrared radiation: FreeDictionary.org
8. infrared radiation: Mnemonic Dictionary
9. infrared radiation: TheFreeDictionary.com

Computing (1 matching dictionary)

10. infrared radiation: Encyclopedia

Medicine (3 matching dictionaries)

11. Dorland's Illustrated Medical Dictionary (No longer online)
12. online medical dictionary (No longer online)
13. infrared radiation: Medical dictionary

Miscellaneous (1 matching dictionary)

14. Army Technology Glossary (No longer online)

Science (4 matching dictionaries)

15. Infrared Radiation: Solar Radiation Resource Terms
16. Environmental Terminology Discovery Service (No longer online)
17. General Chemistry Online (No longer online)
18. INFRARED RADIATION: Zoom Astronomy Glossary

Tech (6 matching dictionaries)

19. DOD Dictionary of Military Terms (No longer online)
20. Efficient Windows (No longer online)
21. Glossary of Meteorology (No longer online)
22. Glossary of Common Hearth and Heating Terms (No longer online)
23. Explosives (No longer online)
24. Glossary of Energy Terms (No longer online)

(Note: See infrared_radiations as well.)

Definitions from Wiktionary (infrared radiation) ▸ noun:  (physics) Electromagnetic radiation having a wavelength approximately between 1 micrometre and 1 millimetre; perceived as heat. Similar: infrared, infrared emission, infrared light, near infrared, mediumwave infrared, light, microwave radiation, visible light, shortwave, radio wave, more... Types: near infrared, mid infrared, far infrared, more... Phrases: near infrared radiation, far infrared radiation, more... ▸ Words similar to infrared radiation ▸ Usage examples for infrared radiation ▸ Idioms related to infrared radiation ▸ Wikipedia articles (New!) ▸ Words that often appear near infrared radiation ▸ Rhymes of infrared radiation ▸ Invented words related to infrared radiation