We found 9 dictionaries that define the word dhmo:

General (4 matching dictionaries)

1. DHMO: Wiktionary
2. DHMO: Dictionary.com
3. DHMO: Wikipedia, the Free Encyclopedia
4. DHMO: Stammtisch Beau Fleuve Acronyms

Business (1 matching dictionary)

5. Health Insurance Glossary (No longer online)

Miscellaneous (2 matching dictionaries)

6. DHMO: Acronym Finder
7. AbbreviationZ (No longer online)

Slang (1 matching dictionary)

8. dhmo: Urban Dictionary

Tech (1 matching dictionary)

9. DOD Dictionary of Military Terms: Joint Acronyms and Abbreviations (No longer online)

Definitions from Wiktionary (DHMO) ▸ noun:  (inorganic chemistry, humorous) Abbreviation of dihydrogen monoxide. [(inorganic chemistry, usually humorous) H₂O, water.] Similar: dihydrogen monoxide, dihydrogen-monoxide, dihydrogenmonoxide, μ-oxido dihydrogen, hydrogen monoxide, DHAP, hydrogen oxide, DMOG, DMSO, HMDS, more... Opposite: anti-dhmo, hydrophobia, water aversion ▸ Words similar to dhmo ▸ Usage examples for dhmo ▸ Idioms related to dhmo ▸ Wikipedia articles (New!) ▸ Popular adjectives describing dhmo ▸ Words that often appear near dhmo ▸ Rhymes of dhmo ▸ Invented words related to dhmo