We found 26 dictionaries that define the word photochemistry:

General (19 matching dictionaries)

1. photochemistry: Merriam-Webster
2. photochemistry: Oxford Learner's Dictionaries
3. photochemistry: American Heritage Dictionary of the English Language
4. photochemistry: Collins English Dictionary
5. photochemistry: Vocabulary.com
6. Photochemistry, photochemistry: Wordnik
7. photochemistry: Wiktionary
8. photochemistry: Webster's New World College Dictionary, 4th Ed.
9. photochemistry: The Wordsmyth English Dictionary-Thesaurus
10. photochemistry: Infoplease Dictionary
11. photochemistry: Dictionary.com
12. Photochemistry: Wikipedia, the Free Encyclopedia
13. Photochemistry: Online Plain Text English Dictionary
14. photochemistry: Webster's Revised Unabridged, 1913 Edition
15. photochemistry: Rhymezone
16. Photochemistry: AllWords.com Multi-Lingual Dictionary
17. photochemistry: FreeDictionary.org
18. photochemistry: Mnemonic Dictionary
19. photochemistry: TheFreeDictionary.com

Computing (1 matching dictionary)

20. photochemistry: Encyclopedia

Medicine (4 matching dictionaries)

21. photochemistry: Merriam-Webster Medical Dictionary
22. Dorland's Illustrated Medical Dictionary (No longer online)
23. online medical dictionary (No longer online)
24. photochemistry: Medical dictionary

Science (1 matching dictionary)

25. Agricultural Thesaurus and Glossary (No longer online)

Tech (1 matching dictionary)

26. Glossary of Meteorology (No longer online)

(Note: See photochemist as well.)

Definitions from Wiktionary (photochemistry) ▸ noun:  (chemistry) The study of photochemical reactions. Similar: thermochemistry, radiation chemistry, photology, kinetics, phytochemistry, photoscience, radiochemistry, spectrochemistry, chemodynamics, photodermatology, more... Opposite: radiation chemistry, dark chemistry, thermal chemistry Types: absorption, emission, fluorescence, phosphorescence, luminescence, more... Phrases: organic photochemistry, more... Adjectives: organic, primary, atmospheric, tropospheric, stratospheric, selective, laser, environmental, molecular, supramolecular, induced ▸ Words similar to photochemistry ▸ Usage examples for photochemistry ▸ Idioms related to photochemistry ▸ Wikipedia articles (New!) ▸ Popular adjectives describing photochemistry ▸ Words that often appear near photochemistry ▸ Rhymes of photochemistry ▸ Invented words related to photochemistry