We found 19 dictionaries that define the word si unit:

General (12 matching dictionaries)

1. si unit: Longman Dictionary of Contemporary English
2. SI unit: Collins English Dictionary
3. SI unit: Vocabulary.com
4. SI unit: Cambridge Advanced Learner's Dictionary
5. SI unit: Dictionary.com
6. SI Unit, SI unit: Wikipedia, the Free Encyclopedia
7. si unit: FreeDictionary.org
8. si unit: Mnemonic Dictionary
9. SI unit: TheFreeDictionary.com
10. SI unit: Wiktionary

Business (2 matching dictionaries)

11. SI unit: Legal dictionary
12. SI unit: Financial dictionary

Computing (1 matching dictionary)

13. SI unit: Encyclopedia

Medicine (3 matching dictionaries)

14. Dorland's Illustrated Medical Dictionary (No longer online)
15. online medical dictionary (No longer online)
16. SI unit: Medical dictionary

Science (1 matching dictionary)

17. SI Unit: UNCChem Glossary

Definitions from Wiktionary (SI unit) ▸ noun:  Any unit of the International System of Units. Similar: ohm, amp, gray, coulomb, joule, kelvin, metre, radian, watt, candela, more... Phrases: SI derived unit, non si unit prefix, SI base unit, the si unit of electrical resistance, si unit of frequency, more... ▸ Words similar to si unit ▸ Usage examples for si unit ▸ Idioms related to si unit ▸ Wikipedia articles (New!) ▸ Words that often appear near si unit ▸ Rhymes of si unit ▸ Invented words related to si unit