We found 17 dictionaries that define the word butterfly valve:

General (14 matching dictionaries)

1. butterfly valve: Merriam-Webster
2. butterfly valve: Oxford Learner's Dictionaries
3. butterfly valve: American Heritage Dictionary of the English Language
4. butterfly valve: Collins English Dictionary
5. butterfly valve: Vocabulary.com
6. butterfly valve: Wordnik
7. butterfly valve: Wiktionary
8. butterfly valve: Infoplease Dictionary
9. Butterfly valve, butterfly valve: Dictionary.com
10. Butterfly valve: Wikipedia, the Free Encyclopedia
11. butterfly valve: Rhymezone
12. butterfly valve: FreeDictionary.org
13. butterfly valve: Mnemonic Dictionary
14. butterfly valve: TheFreeDictionary.com

Business (1 matching dictionary)

15. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

16. butterfly valve: Encyclopedia

Tech (1 matching dictionary)

17. AUTOMOTIVE TERMS (No longer online)

(Note: See butterfly_valves as well.)

Definitions from Wiktionary (butterfly valve) ▸ noun:  A valve with a disk-shaped mechanism which can be used for isolating or regulating flow. Similar: diverter, ball valve, swing check valve, swirl flap, leaf valve, gate valve, spring valve, slide valve, butterfly door, turncock, more... Opposite: gate valve, ball valve, globe valve ▸ Words similar to butterfly valve ▸ Usage examples for butterfly valve ▸ Idioms related to butterfly valve ▸ Wikipedia articles (New!) ▸ Words that often appear near butterfly valve ▸ Rhymes of butterfly valve ▸ Invented words related to butterfly valve