We found 2 dictionaries that define the word petroleum-based:

General (2 matching dictionaries)

1. petroleum-based: Wordnik
2. petroleum-based: Cambridge Advanced Learner's Dictionary

▸ Words similar to petroleum-based ▸ Usage examples for petroleum-based ▸ Idioms related to petroleum-based ▸ Wikipedia articles (New!) ▸ Words that often appear near petroleum-based ▸ Rhymes of petroleum-based ▸ Invented words related to petroleum-based