We found 8 dictionaries that define the word petroleum refinery:

General (7 matching dictionaries)

1. petroleum refinery: Vocabulary.com
2. petroleum refinery: Dictionary.com
3. Petroleum refinery: Wikipedia, the Free Encyclopedia
4. petroleum refinery: Rhymezone
5. petroleum refinery: FreeDictionary.org
6. petroleum refinery: Mnemonic Dictionary
7. petroleum refinery: TheFreeDictionary.com

Tech (1 matching dictionary)

8. AUTOMOTIVE TERMS (No longer online)

Definitions from WordNet (petroleum refinery) ▸ noun:  a refinery for petroleum Opposite: oil well, oil field, drilling platform ▸ Words similar to petroleum refinery ▸ Usage examples for petroleum refinery ▸ Idioms related to petroleum refinery ▸ Wikipedia articles (New!) ▸ Words that often appear near petroleum refinery ▸ Rhymes of petroleum refinery ▸ Invented words related to petroleum refinery