We found 27 dictionaries that define the word microgram:

General (17 matching dictionaries)

1. microgram: Merriam-Webster
2. microgram: Oxford Learner's Dictionaries
3. microgram: American Heritage Dictionary of the English Language
4. microgram: Collins English Dictionary
5. microgram: Vocabulary.com
6. microgram: Wordnik
7. microgram: Cambridge Advanced Learner's Dictionary
8. microgram: Wiktionary
9. microgram: Webster's New World College Dictionary, 4th Ed.
10. microgram: The Wordsmyth English Dictionary-Thesaurus
11. microgram: Infoplease Dictionary
12. microgram: Dictionary.com
13. Microgram: Wikipedia, the Free Encyclopedia
14. microgram: Rhymezone
15. microgram: FreeDictionary.org
16. microgram: Mnemonic Dictionary
17. microgram: TheFreeDictionary.com

Business (1 matching dictionary)

18. BusinessDictionary.com (No longer online)

Computing (2 matching dictionaries)

19. I T Glossary (No longer online)
20. microgram: Encyclopedia

Medicine (7 matching dictionaries)

21. microgram: Merriam-Webster Medical Dictionary
22. Dorland's Illustrated Medical Dictionary (No longer online)
23. online medical dictionary (No longer online)
24. Hepatitis C Information Central (No longer online)
25. microgram: Dictionary of Cancer Terms
26. microgram: Medical dictionary
27. All About Hepatitis C (No longer online)

(Note: See micrograms as well.)

Definitions from Wiktionary (microgram) ▸ noun:  (metrology) An SI unit of mass equal to 10⁻⁶ grams. Symbol: μg A unit of mass equal to one millionth of a gram, or 0.000 001 grams. Similar: MCG, microgramme, milligram, mike, micromole, millimilligram, microsecond, nanogram, micromol, micrometre, more... Adjectives: low, nearest, sub, single, fictional ▸ Words similar to microgram ▸ Usage examples for microgram ▸ Idioms related to microgram ▸ Wikipedia articles (New!) ▸ Popular adjectives describing microgram ▸ Words that often appear near microgram ▸ Rhymes of microgram ▸ Invented words related to microgram