Definition

Relating to or containing a type of black, sticky substance that is used in making roads and roofing materials.

Example

The construction company used bituminous materials for the new road.

Comparatives & Superlatives

Conversation

I just learned about bituminous coal in my geology class.

Oh really? What makes it different from other types of coal?

It contains more bitumen, which gives it a higher energy content.

That sounds interesting! I didn’t know there were different kinds of coal.

Synonyms & Antonyms

Root Explanation

Bituminous → It is derived from the Latin word "bitumen" (meaning a type of mineral pitch or tar) combined with the suffix "-ous" (meaning full of or possessing). The word "bituminous" refers to something that is full of or contains bitumen, typically used to describe certain types of coal or asphalt.

Memory Tip

Think of 'bitumen' as a type of tar, and remember that 'bituminous' means something that is full of this tar-like substance.

Visually Confused Words