1. containing carbon or composed largely of carbon
Usage: technical; scientific
2. of, relating to, or resembling coal or charcoal
Usage: technical

Examples

• Carbonaceous meteorites are thought to contain some of the oldest material in the solar system.
• The soil sample showed high carbonaceous content from decomposed plant matter.
• Carbonaceous chondrites are a type of meteorite rich in organic compounds.
• The geologist identified carbonaceous deposits in the rock formation.
• Carbonaceous materials are often studied to understand the origins of life on Earth.