We found 24 dictionaries that define the word hl:

General (15 matching dictionaries)

1. HL, hl: Merriam-Webster
2. HL, hl: Oxford Learner's Dictionaries
3. HL, hl: American Heritage Dictionary of the English Language
4. hl: Collins English Dictionary
5. hl: Vocabulary.com
6. HL, Hl, hl: Wordnik
7. hl: Webster's New World College Dictionary, 4th Ed.
8. hl: Infoplease Dictionary
9. H.L, hl: Dictionary.com
10. HL, Hl: Wikipedia, the Free Encyclopedia
11. hl: Rhymezone
12. H.L: Stammtisch Beau Fleuve Acronyms
13. hl: FreeDictionary.org
14. hl: Mnemonic Dictionary
15. HL: TheFreeDictionary.com

Business (1 matching dictionary)

16. Travel Industry Dictionary (No longer online)

Computing (1 matching dictionary)

17. hl: Encyclopedia

Medicine (3 matching dictionaries)

18. hl: Merriam-Webster Medical Dictionary
19. Dorland's Illustrated Medical Dictionary (No longer online)
20. Hl: Medical dictionary

Miscellaneous (3 matching dictionaries)

21. HL: Acronym Finder
22. AbbreviationZ (No longer online)
23. United States Postal Service Official Abbreviations (No longer online)

Slang (1 matching dictionary)

24. HL, hl: Urban Dictionary

Definitions from WordNet (hl) ▸ noun:  a metric unit of volume or capacity equal to 100 liters Opposite: lh, low, bottom, under Phrases: vp hl, HL Tauri, hl hinge, more... ▸ Words similar to hl ▸ Usage examples for hl ▸ Idioms related to hl ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hl ▸ Words that often appear near hl ▸ Rhymes of hl ▸ Invented words related to hl