Related terms
- en elkerite (n) ➜
- en amorphous ➜
- en fossilize ➜
- en mineraloid ➜
- en petroleum ➜
- en pyrobituminous ➜
- en pyrobituminous (a) ➜
- en thucholite (n) ➜
Word forms
- en pyrobitumens (n) ➜
Links to other resources
- en.wiktionary.org pyrobitumen
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