We found 26 dictionaries that define the word photomicrograph:

General (19 matching dictionaries)

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

Computing (1 matching dictionary)

20. photomicrograph: Encyclopedia

Medicine (4 matching dictionaries)

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

Science (1 matching dictionary)

25. Archaeology Wordsmith (No longer online)

Tech (1 matching dictionary)

26. Metal Terminology (No longer online)

(Note: See photomicrographic as well.)

Definitions from Wiktionary (photomicrograph) ▸ noun:  (photography) A photograph taken using a microscope. ▸ verb:  (transitive) To photograph through a microscope. Similar: microphotograph, photomicroscope, photomicroscopy, microphotogram, micrograph, photomacrography, microphoto, ultraphotomicrograph, photomicrographer, photomacrograph, more... Opposite: macrophotograph, macroimage, wide shot Types: light micrograph, confocal micrograph, more... Colors:     blue,     green,     red,     yellow,     purple, more... ▸ Words similar to photomicrograph ▸ Usage examples for photomicrograph ▸ Idioms related to photomicrograph ▸ Wikipedia articles (New!) ▸ Popular adjectives describing photomicrograph ▸ Words that often appear near photomicrograph ▸ Rhymes of photomicrograph ▸ Invented words related to photomicrograph