1. the process of converting organic material into bitumen or bituminous substances, especially through geological processes over long periods of time
Usage: technical; geology
2. the treatment or coating of a material with bitumen or asphalt
Usage: technical; construction

Examples

• The bituminization of ancient plant matter over millions of years created the coal deposits we mine today.
• Bituminization of the road surface improved its durability and water resistance.
• Geologists study the bituminization process to understand how fossil fuels form.
• The bituminization treatment extended the lifespan of the asphalt pavement by several years.
• Natural bituminization occurs when organic sediments are buried deep underground and exposed to heat and pressure.